Form 4 Chemistry - Assessment

1.

Multiple Choice

30 sec

1 pt

All are soluble Except

NaCl

PbCl2

KI

KNO3

Answer explanation

Na-Sodium

K-Potassium

From SPA..NE

2.

Multiple Choice

30 sec

1 pt

Is Zinc Nitrate soluble?

Yes

No

3.

Multiple Choice

45 sec

1 pt

What is the chemical equation for Potassium Hydroxide + Sulphuric Acid?(Balance it)

KOH + 2H2SO4---->K2SO4 + H2O

KOH + H2SO4---->KSO4 + H2O

NaOH+ H2SO4---->Na2SO4+H2O

2KOH+H2SO4---->K2SO4+H2O

4.

Multiple Choice

30 sec

1 pt

Bromide salt is insoluble with..

Pb2+,Ag+,Cl-

Ag+,Hg+,Ba2+

Hg+,Pb2+,Ag+

Cl-,Pb2+,Hg+

Answer explanation

PAH

5.

Multiple Choice

30 sec

1 pt

What is The colour of Iron(II) salts in the state of Solid?

White

Colourless

Green

Brown

6.

Multiple Choice

30 sec

1 pt

Which salt/compound is considering in the state of solid?

Potassium salts(Colourless)

Copper(II)chloride(Blue)

Iron(III)salts(Brown)

Carbonate salts(Colourless)

7.

Multiple Choice

30 sec

1 pt

Is Barium(II)sulphate soluble?

Yes

No

8.

Multiple Choice

45 sec

1 pt

Which group of salt/compound is white when they're solid

Carbonate salts,Iron(II) salts

Lead(II)salts,Calcium salts

Lead(II)oxide,Iron(III)salts

Copper(II)sulphate,Sulphate salts

9.

Multiple Choice

30 sec

1 pt

What is the colour of Zinc Oxide(Solid) when in hot condition?

Blue

Yellow

Black

Colourless

10.

Fill in the Blank

30 sec

1 pt

What is the colour of Iron(II) salt?

11.

Multiple Choice

30 sec

1 pt

What is the colour of Lead(II)oxide when HOT

Green

Yellow

Brown

Black

12.

Multiple Choice

30 sec

1 pt

Sulphate salt is insoluble with..

Pb2+,Cl-,Br-

Ba2+,Ca2+,Pb2+

Pb2+,Ag+,Hg+

Cl-,Ba2+,Ag+

13.

Multiple Choice

30 sec

1 pt

Is the colour of copper(II)nitrate and copper(II)sulphate the same?

Yes

No

Answer explanation

They are both blue in colour :)

14.

Multiple Choice

30 sec

1 pt

What is the colour of Copper(II)oxide

Black

Green

Blue

Yellow

15.

Multiple Choice

30 sec

1 pt

What is the colour of Zinc oxide when COLD

Black

Yellow

White

Blue

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