ICSE ICSE Class 8 - CISCE Question Bank Solutions for Chemistry

Name the phenomenon which cause the following change:

Formation of water vapour from water.

 Name the phenomenon which cause the following change:
  Disappearance of camphor.

Name the phenomenon which cause the following change:

Conversion of ice into water.

Name the phenomenon which cause the following change:

Conversion of water into steam.

Give two examples of the following:

Substances which do not change their states.

Give two examples of the following:

Substances which are rigid and not compressible.

The state of matter which has no definite shape or volume is called

1. solid
2. liquid
3. gas
4. water

 There are large intermolecular gaps in

1. water
2. iron ball
3. common salt
4. air

All kinds of matter

1. occupy space and have definite mass
2. have mass and definite shape
3. can change their states
4. have definite volume

A kind of matter which can sublinje is

1. water
2. plastic
3. milk
4. iodine

A substance which can change its state

1. wood
2. oxygen
3. paper
4. cloth

 The process by which a solid changes into a liquid is called

1. freezing
2. melting
3. condensation
4. evaporation

A solid is a state of matter that has

1. no definite shape.
2. large intermolecuiar space.
3. high intermolecuiar force of attraction.
4. no definite volume.

Which of the following is a property of the liquids ?

1. they can flow
2. they are malleable
3. they have a definite shape
4. they are rigid

 Gases

1. cannot be compressed easily,
2. occupy the entire space of the container.
3. have definite shapes.
4. cannot flow.

State the law of conservation of mass.

Fill in the blank

Hydrogen is ..................... than air.

Fill in the blank

Hydrogen is ...................soluble in water.

A metal ______ hydrogen in the reactivity series gives hydrogen with ______.

Fill in the blank

Hydrogen reacts with metal oxides to form ............and....................