Advertisements
Advertisements
प्रश्न
Give the reason for the following
Particles of matter move more rapidly on the application of heat.
Advertisements
उत्तर
Application of force increases the K.E. of particles and space increases and inter-particle attraction decreases. Thus particles move rapidly.
APPEARS IN
संबंधित प्रश्न
Give reasons:
Solids cannot be compressed.
Give two example of the following:
The substances which do not change their state on heating.
Give reason:
Why do liquids and gases flow but solids do not ?
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
A substance which can change its state
- wood
- oxygen
- paper
- cloth
Give reason
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Fill in the blank
When a gas is cooled, its molecules ________ energy,
State the term which refers to the conversion of a substance on heating from.
- solid-state to liquid state
- liquid state to vapour state
- vapour state to liquid state
- liquid state to solid-state.
Complete the statement by filling the blank with the correct word given below.
In naphthalene, the inter-particle attraction is _______.
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
