ICSE ICSE Class 8 - CISCE Question Bank Solutions for Chemistry

Define of  Diffusion.

Define of  Brownian motion.

Define matter.

Name the smallest particle from which matter is made up.

What are molecules ?

Give one difference between atoms and molecules.

Define of Intermolecular space.

What is the relation between intermolecular space and intermolecular force ?

Why liquids do not have a definite shape ?

What happens when a solid is heated ?

Give reason for the following.

Gases can be compressed easily.

Give reason for the following.

Liquids can flow easily.

Give reason for the following.

We need to classify things.

Define the following term.

Intermolecular force

Define the following term.

Molecule

Give reason:
 A gas fills up the space available to it.

Give reason:
The odour of scent spreads in a room.

 Give reason:
We can walk through air.

Give reason:
Liquids have definite volume but no difinite shape.

Give reason:
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.