Free Printable Genral chemistry

1.

a)

1

b)

2

c)

3

d)

4

2.

a)

1

b)

2

c)

3

d)

4

3.

a)

1

b)

2

c)

3

d)

4

4.

The electric bulb on long use form a black coating on its inner surface the process associated with this is

a)

Melting of tungsten

b)

Sublimation of tungsten

c)

Oxidation of tungsten

d)

Reduction of tungsten

5.

Identify a physical change among following

a)

Respiration

b)

Digestion of food

c)

Burning of wax

d)

Glowing of an electric bulb

6.

Maximum intermolecular forces of attraction exist in

a)

Bromine

b)

air

c)

oxygen

d)

copper

7.

Identify the element from the following

a)

air

b)

iodine vapor

c)

water

d)

amalgam

8.

Which of the following is not a combination reaction

a)

Reaction of iodine with white phosphorus

b)

Reaction of iron with sulphur

c)

Addition of water to lime (CaO)

d)

Addition of concentrated sulphuric acid to sugar (C12H22O11)

9.

a)

1

b)

2

c)

3

d)

7

10.

Grease spots from garments can be separated by

a)

Chromatography

b)

Solvent extraction

c)

Sublimation

d)

Dissolution in suitable solvent

11.

Which of the following involves in both neutralization and precipitation

a)

Reaction between baking powder and sulphuric acid

b)

Reaction between barium chloride and sodium sulphate

c)

Reaction between silver nitrate and HCl

d)

Reaction between slaked lime and H2SO4

12.

a)

1

b)

2

c)

3

d)

4

13.

a)

1

b)

2

c)

3

d)

4

14.

a)

1

b)

2

c)

3

d)

4

15.

a)

1

b)

2

c)

3

d)

4

16.

a)

1

b)

2

c)

3

d)

4

17.

a)

1

b)

2

c)

3

d)

4

18.

a)

1

b)

2

c)

3

d)

4

19.

a)

1

b)

2

c)

3

d)

4

Genral chemistry

Total questions: 19

Worksheet time: 16mins

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