Quiz, Powr Point

8/3/2019 Quiz, Powr Point

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DEPT. OF CHEMISTRY,GVC PALAKKAD

WELCOMESYOU ALL TO THIS

CHEMISTRY QUIZ


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YEAR - 2011

INTERNATIONALYEAR OF

CHEMISTRY


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The first man

made element is


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Technetium

( Tc - 42)

by Segre 1936 bybombarding Mo42

with Deuteron


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Most of the warm super

conductors designed are

of perovskitestructure.They contain one

metal in common.Whichis that metal?


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Copper


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Which is the chiefgreen house gas?


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CO2


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The elements up toUranium 238 are

naturally occurring

except two. Identifythe elements.


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Technitium ( 42)

&

Promethium ( 61)


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G N LEWIS


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Green Chemistry is identified as the

way of practising chemistry in an

environmentally friendly manner. It is

advised to use water as the solvent asfar as possible. But in certain organic

synthesis, water is not an adequate

solvent. Green chemistry advocated the

use of a new solvent. The solvent is


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SUPER CRITICAL FLUIDor

SUPER CRITICAL CO2

orSCF


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The radius of first Bohr orbit of

hydrogen atom is 0.53 A. Thethe diameter of the 10th Bohr

orbit isa. 53 A

b. 1.06 Ac. 106 A

d. 10.6 A


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106 A


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What is Gun cotton?


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What is the chemical name of

RDX?


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Cyclonite

( Sym.trimethylene tri nitramine


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The usual chemical in a mosquito

repellent is


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Di methyl Phthalate


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What is SQUID?


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Super conducting quantum

interference device.

For detecting very low intensitymagnetic field.


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What are chemical clocks?


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Some reversible reactions reactions donot settle down to an equilibrium . Once

started, they continue to oscillate

backwards and forwards. Sometimes thisproduces amazing color changes.

Because these oscillations occur at

regular intervals, these reactions havebeen called chemical clocks.


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potentially harmful chemical,

usually an irritant


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It looks like a pretty snowflake, but that

yellow background is cautionary. Whattype of hazard does this symbol indicate?


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low temperature or cryogenic hazard


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This picture represents one important

concept of modern science. Identify the

concept.


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Schrodinger cat

representingQuantum

mechanics


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IDENTIFY THE

PERSONALITY


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Johannes Diderik van

der Waals


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IDENTIFY THE

PERSONALITY


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Svante A. Arrhenius


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Identify the picture


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HUDSON

RIVER

POLLUTION


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Identify the picture


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Chernobyl NuclearDisaster


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What is the name ofthe isotope that is

produced from the

decay of carbon-14?


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Nitogen 14


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This English scientist noticed that

properties of elements repeat withevery

eighth element. He attempted to arrangethe elements using the octave as a basis in

1864. Who was he?


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John Newlands


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Which elementary

particle predicted by the

Standard Model hasn'tbeen observed yet?


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The Higgs boson


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What is the fifth

state of matter?


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Bose Einsteincondensate


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Name the Scientistwho got Nobel Prize

for chemistry as well

as peace.


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LINUSPAULING


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At what temperature, C &F readingsare same?


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-40c/5 = (f-32)/ 9


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Solvay Conference was

established by the Belgium

Chemist and industrialist Ernest

Solvay. Who became wealthy

through his patent for the

production of a chemical. What

was that chemical?


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Sodium carbonate


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First Nobel Prize in

chemistry was

awarded to


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VANT HOFF in1901


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Who received atoms

for peace award in

1957?


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Neil Bohr


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Father won the Nobel prize in1906 for showing that electron

is a particle and his son won theNobel prize for showing that

electron is a wave. Who is thefather and his son?


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JJ Thomson ( Father)J P Thomson ( Son)


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What is Nitro limstone ?


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CAN( Calcium ammonium Nitrate)


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What is responsible

for Wilsons

decease?


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Due to the

accumulation ofcopper in the liver

and kidney


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Identify the compound


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PARACETAMOL


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Identify the compound


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Endosulfan


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Name the therapautic

compound whichremoves blood

clotting.


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Streptokinase


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What is

Willkinsons

catalyst?


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The complex

[RhCl(PPh3)3] used forOxo process


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Marsh test is used forthe detection of which

element?


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Arsenic


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The anti oxidant

present in green tea

is


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Poly phenol andflavanol


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Richard P Feynman


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