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Name: CHEMISTRY PAPER 1PEPERIKSAAN PENGGAL 1 2014 TING 5Answer all questions

Jawab semua soalan

1.The diagram shows a model of an atom.Gambar rajah menunjukkan satu model atom.

Who introduced this model?Siapakah yang memperkenalkan model ini?ANeils Bohr

BJohn Dalton

CJames Chadwick

DErnest Rutherford

2.Which of the following set ups of apparatus is correct to determine the melting point of acetamide?Antara susunan radas berikut, yang manakah betul untuk menentukan takat lebur asetamida?

3.Which compound has the correct formula?Sebatian manakah yang mempunyai formula yang betul?

4.The following chemical equation shows the complete combustion of ethane gas.Persamaan kimia berikut menunjukkan pembakaran lengkap bagi gas etana.

What is the volume of ethane needed to produce 2.2 g of carbon dioxide at standard temperature and pressure?[Molar mass of CO2 = 44 g mol-1; Molar volume of gas at standard temperature and pressure = 22.4 dm3mol-1]Berapakah isi padu etana yang diperlukan untuk menghasilkan 2.2 g karbon dioksida pada suhu dan tekanan piawai?[Jisim molarCO2 = 44 g mol-1;Isi padu molar gas pada suhu dan tekanan piawai= 22.4 dm3mol-1]

A0.05 dm3B0.10 dm3C0.56 dm3D1.12 dm3

5.2 g of an oxide of metal Z has an empirical formula of Z3O2forms 1.68 g metal Z when completely reduced. What is the relative atomic mass of metal Z?2 glogam oksidaZmempunyai formula empirikZ3O2membentuk1.68 glogamZapabila diturunkan dengan lengkapnya. Apakah jisim atom relatif bagi logamZ?[Relative atomic mass: O, 16][Jisim atom relatif: O, 16]

A14

C28

B56

D112

6.Which of the following elements are in Group 18 in the Periodic Table of Elements?Antara berikut unsur yang manakah dalam Kumpulan18dalam Jadual Berkala Unsur?AHelium and kryptonHelium dan kriptonBHydrogen and oxygenHidrogen dan oksigenCOxygen and kryptonOksigen dan kriptonDHelium, hydrogen and oxygenHelium, hidrogen dan oksigen

7.Which of the following pairs of physical properties of sodium chloride is true?Antara pasangan sifat fizik berikut yang manakah benar tentang natrium klorida?

8.Which of the following is an electrolyte?Antara berikut yang manakah elektrolit?AAcetamideAsetamidaBAluminiumAluminiumCEthyl propanoateEtil propanoatDLead(II) bromidePlumbum(II)bromida

9.Which of the following is true about an alkali?Antara pernyataan berikut yang manakah benar tentang alkali?AAn alkali is not corrosiveAlkali tidak mengkakisBAn alkali is a base that is soluble in waterAlkali ialah bes yang larut dalam airCA strong alkali has a low pH valueAlkali kuat mempunyai nilaipHyang rendahDA weak alkali has a high degree of ionizationAlkali lemah ialah alkali yang mempunyai kadar pengionan yang tinggi

10.Gas X is passed into an acidic dichromate solution.The colour of the solution changes from orange to green.GasXdialirkan ke dalam larutan dikromat berasid.Warna larutan itu bertukar dari jingga ke hijau.What is gas X?Apakah gasX?ASulphur dioxideSulfur dioksidaBHydrogen chlorideHidrogen kloridaCNitrogen dioxideNitrogen dioksidaDChlorineKlorin

11.Glacial ethanoic acid is put into four test tubesA, B, CandD.In which test tube does a reaction occur?Asid etanoik glasial diisi dalam empat tabung ujiA, B, CdanD.Dalam tabung uji manakah tindak balas berlaku?

12.The diagram shows the energy profile of a reaction.Eais the activation energy for this reaction.Gambar rajah menunjukkan profil tenaga bagi suatu tindak balas.Eaadalah tenaga pengaktifan bagi tindak balas ini.

What will change the activation energy form Eato Ea'?Apakah yang akan mengubah tenaga pengaktifan daripadaEakepadaEa'?

ATemperatureSuhuBCatalystMangkinCConcentrationKepekatanDTotal surface areaJumlah luas permukaan

13.Which of the following explains the meaning of effective collision?Antara pernyataan berikut, yang manakah menjelaskan maksud perlanggaran berkesan?AThe collision where its energy is less than the activation energyPerlanggaran yang tenaganya kurang daripada tenaga pengaktifanBThe collision that has a low energyPerlanggaran yang berlaku mempunyai tenaga yang rendahCThe collision which takes place before a reactionPerlanggaran yang berlaku sebelum sesuatu tindak balasDThe collision that causes a reactionPerlanggaran yang menghasilkan tindak balas

14.The structural formulae of two isomers are as follows.Formula struktur dua isomer adalah seperti berikut.

Which of the following names can be used for both isomers?Antara nama berikut yang manakah boleh digunakan untuk kedua-dua isomer?ABromoethaneBromoetanaBBromopropaneBromopropanaCBromobutaneBromobutanaDBromopentaneBromopentana

15.The diagram shows the set up of the apparatus for a reaction.Gambar rajah menunjukkan susunan radas bagi satu tindak balas.

What is the reaction?Apakah tindak balas itu?AEsterificationPengesteranBCrackingPeretakanCDehydrationPendehidratanDOxidationPengoksidaan

16.Which of the following is the structural formula of an unsaturated hydrocarbon?Antara berikut yang manakah formula struktur hidrokarbon tak tepu?

17.A liquid produced effervescence when reacted with sodium carbonate solution.What is the molecular formula of the liquid?Satu cecair menghasilkan pembuakan apabila bertindak balas dengan larutan natrium karbonat.Apakah formula molekul bagi cecair itu?AHCOOH

BCH3CH2OH

CCH3COOCH3DCH3COONa

18.The diagram shows the set up of the apparatus for the reduction of metal X oxide by hydrogen gas.Gambar rajah menunjukkan susunan radas bagi penurunan oksida logamXoleh gas hidrogen.

What is the metal X oxide?

Apakah oksida logam X itu?AZinc oxideZink oksidaBAluminium oxideAluminium oksidaCMagnesium oxideMagnesium oksidaDLead oxidePlumbum oksida

19.The diagram shows four pairs of metals in different test tubes.Gambar rajah menunjukkan pasangan logam dalam tabung uji berlainan.

After one day, in which test tube is the solution blue?Selepas satu hari, larutan dalam tabung uji yang manakah berwarna biru?ATest tube 1Tabung uji1

BTest tube 2Tabung uji2

CTest tube 3Tabung uji3

DTest tube 4Tabung uji4

20.The diagram shows an experiment to study the particle theory of matter.Gambar rajah menunjukkan satu eksperimen untuk mengkaji teori zarah jirim.

Which of the following is the best explanation of the observation in the experiment?Antara berikut yang manakah penerangan paling baik mengenai pemerhatian dalam eksperimen itu?AAgar dissolves copper(II) suphateAgar-agar melarutkan kuprum(II)sulfatBCopper(II) sulphate is an ionic compoundKuprum(II)sulfat merupakan sebatian ionCParticles in copper(II) sulphate are minute and discreteZarah dalam kuprum(II)sulfat adalah halus dan diskritDThe attractive force between agar and copper(II) sulphate particles is strongDaya tarikan antara zarah agar-agar dengan zarah kuprum(II)sulfat adalah kuat

21.The table shows information about two types of particle.Jadual menunjukkan maklumat bagi dua jenis zarah.

Based on the information in the table, both particles X and Y areBerdasarkan maklumat dalam jadual, zarahXdan zarahYadalahAinert gases/gas adiBnegative ions/ion negatifCatom of metals/atom logamDisotopes of the same elementisotop unsur yang sama

22.Which of the following diagrams represents the electron arrangement of an element of Group 1 ?Antara gambar rajah berikut, yang manakah mewakili susunan elektron bagi suatu unsur Kumpulan1 ?

23.The diagram shows two balloons filled with oxygen gas and hydrogen gas respectively.Gambar rajah menunjukkan dua belon yang masing-masing diisikan dengan gas oksigen dan gas hidrogen.

Which of the following statements is true about the two gases?Antara pernyataan berikut yang manakah benar tentang dua gas itu?AThe number of moles of oxygen gas is greater than hydrogen gasBilangan mol gas oksigen lebih besar daripada bilangan mol gas hidrogenBThe number of moles of oxygen gas and hydrogen gas is equal.Bilangan mol gas oksigen sama dengan bilangan mol gas hidrogenCThe number of oxygen gas molecules is greater than hydrogen gas moleculesBilangan molekul gas oksigen lebih besar daripada bilangan molekul gas hidrogenDThe number of oxygen gas molecules is fewer than hydrogen gas moleculesBilangan molekul gas oksigen kurang daripada bilangan molekul gas hidrogen

24.The formula for a sulphate ion is SO

24

and for a

nitrate is NO

3

.

If the formula of the sulphate salt of M is MSO4, what is the formula of the nitrate salt of M?

Formula bagi ion sulfat adalahSO

24

dan ionnitrat adalahNO3

.Jika formula garam sulfat bagiMialahMSO4,apakah formula garam nitrat bagiM?

AMNO3CM2NO3BM(NO3)2DM(NO3)3

25.The diagram shows the electron arrangement in a molecule of element Y.Gambar rajah menunjukkan susunan elektron bagi satu molekul unsurY.

Where is element Y placed in the Periodic Table of Elements?Di manakah kedudukan unsurYdalam Jadual Berkala Unsur?

26.The diagram shows the set up of the apparatus of a chemical cell.Gambar rajah menunjukkan susunan radas satu sel kimia.

Which of the following happens in the chemical cell?Antara berikut yang manakah berlaku dalam sel kimia itu?AThe iron rod becomes thickerRod ferum menjadi lebih tebalBThe copper rod becomes thinnerRod kuprum menjadi lebih nipisCThe intensity of the blue colour of copper(II) sulphate solution decreasesKeamatan warna biru larutan kuprum(II)sulfat berkurangDThe colour of the solution in Beaker 1 changes from green to brownWarna larutan dalam Bikar1bertukar daripada hijau ke perang

27.The diagram shows the set up of the apparatus for the reaction between calcium carbonate and ethanoic acid in two different solvents.Gambar rajah menunjukkan susunan radas bagi tindak balas antara kalsium karbonat dengan asid etanoik dalam dua pelarut yang berlainan.

Which of the following statements are true about the observation in beakers X and Y?Antara pernyataan berikut yang manakah benar tentang pemerhatian dalam bikarXdanYitu?I

Water ionizes ethanoic acid in beaker XAir mengionkan asid etanoik dalam bikarX

II

Benzene ionizes ethanoic acid in beaker YBenzena mengionkan asid etanoik dalam bikarY

III

Water reacts with calcium carbonates in beaker XAir bertindak balas dengan kalsium karbonat dalam bikarX

IV

Ethanoic acid remains as molecule in beaker YAsid etanoik kekal sebagai molekul-molekul dalam bikarY

AI and II onlyIdanIIsahajaBI and IV onlyIdanIVsahajaCII and III onlyIIandIIIsahajaDIII and IV onlyIIIdanIVsahaja

28.The following is the equation that represents the reaction between propene and chlorine.Berikut adalah persamaan yang mewakili tindak balas antara propena dengan klorin.

Which of the following is the structural formula of Q?Antara berikut yang manakah formula struktur bagiQ?

29.The diagram shows the process of producing compound Z.Gambar rajah menunjukkan proses penghasilan sebatianZ.

Which of the following is the structural formula for compound Z?Antara berikut yang manakah struktur bagi sebatianZ?

30.The diagram shows the mechanism of rust formation.Gambar rajah menunjukkan mekanisme pembentukan karat.

Which of the following statements is true about this mechanism?

Antara pernyataan berikut yang manakah benar mengenai mekanisme ini?AAn iron atom releases two electrons to form an iron(II) ionSatu atom ferum membebaskan dua elektron membentuk satu ion ferum(II)

BAn iron(II) ion receives two electrons from an iron atomSatu ion ferum(II)menerima dua elektron daripada satu atom ferumCAn oxygen molecule receives two electrons to form a hydroxide ionSatu molekul oksigen menerima dua elektron untuk membentuk satu ion hidroksidaDFour hydroxide ions are formed when two water molecules receive four electronsEmpat ion hidroksida terbentuk apabila dua molekul air menerima empat elektron

31.When powder of metal P is heated with black metal Q oxide, the following observations are made:Apabila serbuk logamPdipanaskan dengan oksida logamQyang berwarna hitam, maklumat berikut diperoleh:

Based on the information above, which statement is true?Berdasarkan maklumat di atas, pernyataan yang manakah benar?AThe powder of metal Q can displace P from its salt solutionSerbuk logam Q boleh menyesarkan P daripada larutan garamnyaBMetal Q oxide can react with a heated carbon powderOksida logam Q boleh bertindak balas dengan serbuk karbon yang dipanaskanCMetal P oxide can react with a heated iron powderOksida logam P boleh bertindak balas dengan serbuk logam ferum yang dipanaskanDThe powder of metal P can react with a heated magnesium oxide powderSerbuk logam P boleh bertindak balas dengan serbuk magnesium oksida yang dipanaskan

32.A redox reaction can be represented by the following equation.Satu tindak balas redoks boleh diwakili oleh persamaan berikut.

Element X is in Group 17 in the Periodic Table of Elements.What can be observed if element X is replaced with iodine?UnsurXberada dalam Kumpulan17dalam Jadual Berkala Unsur.Apakah yang dapat diperhatikan jika unsurXdigantikan dengan iodin?ABrown gas is producedGas perang terhasilBColourless solution is producedLarutan jernih terhasilCNo change is observedTiada perubahan dapat diperhatikanDBrown colour of the iodine is decolourizedWarna perang larutan iodin dinyahwarnakan

33.A hydrocarbon compound is burnt completely in air to form 17.6 g of carbon dioxide gas and 7.2 g of water.What is the molecular formula of the hydrocarbon compound?Satu sebatian hidrokarbon dibakar dengan lengkap di udara menghasilkan17.6g gas karbon dioksida dan7.2g air. Apakah formula molekul sebatian hidrokarbon itu?

Given that the relative atomic mass of C = 12, H = 1, O = 16.Diberi jisim atom relatifC = 12, H = 1, O = 16.

AC2H6CC3H8BC4H8DC4H10

34.An atom of element X has 4 shells containing electrons.When element X reacts with chlorine, a compound with formula XCl is formed.

Which of the following is element X?AtomXmempunyai4petala mengandungi elektron.Apabila unsurXbertindak balas dengan gas klorin, sebatian berformulaXClterbentuk.Antara berikut yang manakah unsurX?

Given that the atomic number of Na = 11, Si = 14, K = 19, Ca = 20.Diberi nombor atomNa = 11, Si = 14, K = 19, Ca = 20.

ACalciumKalsiumBPotassiumKaliumCSodiumNatriumDSiliconeSilikon

35.The picture shows a waste disposal site.The activity of microorganisms in the waste produces methane gas.Gambar rajah menunjukkan suatu kawasan pelupusan sampah.Aktiviti mikroorganisma di kawasan itu menghasilkan gas metana.

What is the mass of methane gas produced?Berapakah jisim gas metana yang terhasil?

Given that the relative atomic mass of H = 1, C = 12 and 1 mol of gas occupies 24 dm3at room temperature and pressure.Diberi jisim atom relatifH = 1, C = 12dan1 mol gas menempati24 dm3pada suhu dan tekanan bilik.A12 g

B16 g

C21 g

D27 g

36.5 g of element X reacted with 8 g of element Y to form a compound with the formula XY2.What is the relative atomic mass of element X?5 gunsurXbertindak balas dengan8 gunsurYuntuk membentuk satu sebatian yang mempunyai formulaXY2.Berapakah jisim atom relatif unsurX?

Given that the relative atomic mass of Y = 80.Diberi jisim atom relatifY = 80.

A25

B40

C50

D100

37.The table shows the number of electrons and neutrons for ions G2-, H+, L-and M2+.These letters are not actual symbols for the elements.Jadual menunjukkan bilangan elektron dan bilangan neutron bagi ionG2-, H+, L-danM2+.Huruf-huruf ini bukanlah simbol sebenar bagi unsur itu.

Which of the following shows the correct nucleon number of the ion?Antara berikut yang manakah menunjukkan nombor nukleon yang betul bagi ion?

IonNucleon NumberNombor Nukleon

AG2-21

BH+21

CL-

35

DM2+36

38.The diagram shows the set up of the apparatus of a simple chemical cell. The reading on the voltmeter is 0.3 V.Gambar rajah menunjukkan susunan radas bagi satu sel kimia ringkas. Bacaan voltmeter ialah0.3 V.

Which of the following will increase the reading on the voltmeter?Antara kaedah berikut yang manakah dapat menambahkan bacaan voltmeter?I

Increase the volume of iron(II) sulphate solutionTambahkan isipadu larutan ferum(II)sulfatII

Substitute the iron plate with a silver plateGantikan kepingan ferum dengan kepingan argentumIII

Use a more dilute iron(II) sulphate solutionGunakan larutan ferum(II)sulfat yang lebih cairIV

Subtitute the zinc plate with a magnesium plateGantikan kepingan zink dengan kepingan magnesiumAI and II onlyIdanIIsahajaBI and III onlyIdanIIIsahajaCII and IV onlyIIdanIVsahajaDII, III and IV onlyII, IIIdanIVsahaja

39.The diagram shows four simple chemical cells.In each cell, iron is one of the electrodes.Gambar rajah menunjukkan empat buah sel kimia ringkas.Dalam setiap sel itu, satu daripada elektrodnya adalah ferum.

In which cell does iron act as the negative terminal?Dalam sel yang manakah ferum bertindak sebagai terminal negatif?ACell ISelI

BCell IISelII

CCell IIISelIII

DCel IVSelIV

40.0.12 g of magnesium reacts with excess hydrochloric acid to produce hydrogen gas.Given that the relatives molecular mass of H = 1, Mg = 24, C1 = 35.5 and 1 mol of gas occupies 24 dm3at room temperature and pressure.0.12 gmagnesium bertindak balas dengan asid hidroklorik berlebihan menghasilkan gas hidrogen.Diberi jisim atom relatifH = 1, Mg = 24, Cl = 35.5dan1mol gas menempati24 dm3pada suhu dan tekanan bilik.

Which of the following is true about the reaction?Antara berikut yang manakah benar bagi tindak balas itu?

I

Mg + 2H+Mg2++ H2II

Volume of gas released is 120 cm3Isi padu gas terbebas ialah120 cm3III

Mass of the salt formed is 0.30 gJisim garam terbentuk ialah0.30 g

IV

This is redox reactionTindak balas ini adalah tindak balas redoksAI and II onlyIdanIIsahajaBI and III onlyIdanIIIsahaja

CI, II and IV onlyI, IIdanIVsahajaDII, III and IV onlyII, IIIdanIVsahaja

41.The following equation represents the neutralization reaction between an acid, H2X, and potassium hydroxide, KOH.Persamaan di bawah mewakili tindak balas peneutralan antara asid, H2Xdan kalium hidroksida, KOH.

H2X + 2KOH K2X + 2H2O

What is the volume of 1 mol dm-3potassium hydroxide, KOH, which is needed to neutralize 25.0 cm3of 0.5 mol dm-3acid H2X?

Berapakah isi padu1 mol dm-3kalium hidroksida, KOH,yang diperlukan untuk meneutralkan25.0 cm3, 0.5 mol dm-3asidH2X?

A50.00 cm3B25.00 cm3C12.50 cm3D6.25 cm3

42.The table belowshows the volume of hydrogen gas, H2, collected in the reaction between zinc and sulphuric acid.Jadualdi bawahmenunjukkan isi padu gas hidrogen, H2yang dikumpul dalam tindak balas antara zink dan asid sulfurik.Time/minMasa/minitVolume of hydrogen gas/cm3Isi padu gas hidrogen/cm3 0

0

0.5

7.90

1.0

14.40

1.5

20.40

2.0

23.90

2.5

26.40

3.0

26.40

3.5

26.40

TABLE /JADUAL

What is the average rate of reaction?

Apakah purata kadar tindak balas?A13.2 cm3min-1B10.56 cm3min-1C7.56 cm3min-1D7.40 cm3min-1

43.The decomposition of 25 cm3of 0.1 mol dm3hydrogen peroxide solution at room temperature produces graph I as shown in Diagram below.Penguraian25 cm3larutan hidrogen peroksida0.1 mol d m3pada suhu bilik menghasilkan grafIseperti dalam gambar Rajah di bawah.

Diagram /Rajah

Which of the following will produce graph II?

Antara yang berikut, manakah yang akan menghasilkan grafII?

A25 cm3of 0.01 mol dm3hydrogen peroxide solution at room temperature25 cm3hidrogen peroksida0.01 mol dm3pada suhu bilikB20 cm3of 0.5 mol dm3hydrogen peroxide solution at room temperature20 cm3hidrogen peroksida0.5 mol dm3pada suhu bilikC25 cm3of 0.1 mol dm hydrogen peroxide solution with manganese(IV) oxide25 cm3hidrogen peroksida0.01 mol dm3dengan mangan(IV)oksidaD25 cm3of 1 mol dm3hydrogen peroxide solution at 60C25 cm3hidrogen peroksida1 mol dm3padasuhu60C

44.In an experiment, the decomposition of 25 cm3of 0.1 mol dm-3hydrogen peroxide solution produces oxygen gas.The graph of the volume of oxygen gas against time is drawn and curve P is obtained.Dalam satu eksperimen, penguraian25 cm3larutanhidrogen peroksida0.1 mol dm-3menghasilkan gas oksigen.Graf isipadu gas oksigen melawan masa dilukis dan lengkungPdiperoleh.

If the experiment is repeated using another solution, which solution will produce curve Q?Sekiranya ekperimen diulang dengan menggunakan larutan lain, larutan manakah yang akan menghasilkan lengkungQ?

A25 cm3of 0.15 mol dm-3hydrogen peroxide25 cm3hidrogen peroksida0.15 mol dm-3B20 cm3of 0.15 mol dm-3hydrogen peroxide20 cm3hidrogen peroksida0.15 mol dm-3C15 cm3of 0.15 mol dm-3hydrogen peroxide15 cm3hidrogen peroksida0.15 mol dm-3D10 cm3of 0.25 mol dm-3hydrogen peroxide10 cm3hidrogen peroksida0.25 mol dm-3

45.Diagrambelow shows the structural formula of an organic compound.Rajahdi bawahmenunjukkan formula struktur satu sebatian organik.

Diagram /Rajah

Based on the IUPAC nomenclature, the compound is called

Berdasarkan IUPAC, sebatian ini disebut sebagaiA2,3,3-trimethylpent-2 ene.2,3,3-trimetilpent-2 ena.

B2,3,3-trimethylpent-3 ene.2,3,3-trimetilpent-3 ena.

C3-ethyl-2-methylpent-1 ene. 3-etil-2-metilpent-1 ena.D3-ethyl-2-methyl pent-2 ene.3-etil-2-metilpent-2 ena.

46.Diagrambelow shows a set-up of apparatus is used to separate a mixture through distillation.Rajahdi bawahmenunjukkan susunan radas yang digunakan untuk memisahkan satu campuran melalui penyulingan.

Diagram /Rajah

What is the mistake in this set-up?Apakah kesilapan dalam susunan radas ini?

AThe bottom end of the thermometer should be touching the water.Hujung bawah termometer perlu menyentuh air.BThe bottom end of the thermometer should be below the surface of the water.Hujung bawah termometer perlu di bawah permukaan air.CWater should enter at Q and flow out at P.Air perlu masuk padaQdan keluar padaP.

DThe Liebig condenser should be horizontal.Kondenser Liebig perlu mendatar.

47.A rubber latex buyer is worried that the latex he bought will coagulate before they are sent to the factory. Which is the most suitable way to overcome his problem?Seorang pembeli susu getah bimbang susu getah yang dibelinya membeku sebelum dihantar ke kilang. Antara langkah-langkah berikut, yang manakah paling sesuai dilakukan untuk mengatasi masalah pembeli susu getah tersebut?ABring the rubber latex to the factory using a fast carMembawa susu getah ke kilang dengan kenderaan yang lajuBClose the container of the rubber latex with an airtight coverMenutup bekas susu getah dengan penutup yang kedap udaraCAdd ethanoic acid into the rubber latexMenambah asid asid etanoik ke dalam susu getahDAdd ammonia solution to the rubber latexMenambah larutan ammonia ke dalam susu getah

48.Which of the following reactions is not a redox reaction?Antara yang berikut, tindak balas manakah yang bukan suatu tindak balas redoks?A4Li + O2 2Li2O

BBr2+ 2I- 2Br-+ I2CPb2++ 2Br- PbBr2DMg + 2H+ Mg2++ H2

49.Diagrambelow shows the apparatus set-up used to investigate the reaction of acidified potassium manganate(VII) with iron(II) sulphate solution.Rajahdi bawahmenunjukkan susunan radas untuk mengkaji tindak balas antara kalium manganat(VII)berasid dengan larutan ferum(II)sulfat.

DiagramRajah

Which of the following is the colour change of the two solutions?Antara yang berikut, yang manakah perubahan warna bagi kedua-dua larutan itu?

50.The position of metal X is located below magnesium in the reactivity series of metals. Which of the following statement is nottrue?Kedudukan logamXberada di bawah magnesium dalam siri kereaktifan logam. Antara berikut, penyataan manakah yangtidakbenar?AMagnesium has a higher tendency to ionise compared to metal X.Magnesium lebih cenderung mengion berbanding logam X.

BMagnesium can displace metal X from salt solution X.Magnesium boleh menyesarkan logamXdaripada larutan garamX.

CMagnesium is a stronger oxidising agent than metal X.Magnesium adalah agen pengoksidaan yang lebih kuat daripada logamX.

DMagnesium reacts more vigorously with oxygen than the reaction between metal X with oxygen.Magnesium bertindak balas lebih cergas dengan oksigen berbanding tindak balas logamXterhadap oksigen.

End of Question PaperDisediakan oleh, Disahkan oleh,

.. ........

(SSY) (EN SIM SIONG HEE)

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