Procedure

ProcedurePart 1: ObservationStep 1> Gather materials

Step 2> Use the scoopula to scoop a small amount of powder A onto the watch glass

Step 3> Record observations of physical properties

Step 4> Repeat steps 2-3 replacing powder A with the other powders one by one

Part 2: Liquid Test

Step 5> Use the scoopula to scoop a small amount of powder A into the first row of the spot plate (filling three spots)

Step 6> Repeat step 5 using the other powders (note: the spot plate will be filled before you reach powder E)

Step 7> Using the powders in the spot plate, take the 3 liquids and drop one drop of liquid one into the first row, first column (powder A) on the spot plate

Step 8> Using liquid 2, drop one drop in the first row, second columnStep 9> Using liquid 3 drop one drop in the first row, third column

Step 10> Repeat steps 7-9 for each other row on the spot plate

Step 11> Clean off the spot plate thoroughly and dry it

Step 12> Fill in the first row of the spot plate with powder E

Step 13> Repeat steps 7-9 for the first row

Part 3: Flame TestStep 14> Using 5 strips of aluminum foil make five small bowls being sure not to make them too deepStep 15> Fill the five bowls with one powder each (be careful not to forget which is which)

Step 16> Using the tongs run the bowl with powder A over the flame from your Bunsen burnerStep 17> Repeat step 16 using the rest of the powdersPart 4: Powder Lab FinalStep 18> Receive the powder from your instructor Step 19> Scoop a small amount of your powder onto a watch glass. Record observations

Step 20> Use another strip of aluminum foil to make another small bowlStep 21> Scoop a small amount of your powder into the bowl

Step 22> Using the tongs, run the bowl over the flames of the Bunsen burner

Step 23> using the scoopula, fill in the first row of the spot plate

Step 24> Using the powder in the spot plate, take the 3 liquids and drop one drop of liquid one into the first row, first column on the spot plate

Step 25> Using liquid 2, drop one drop in the first row, second column

Step 26> Using liquid 3 drop one drop in the first row, third column

Step 27> Repeat steps 19-26 if necessary until the identity of the powders is knownStep 28> Clean up