Advertisements
Advertisements
प्रश्न
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
उत्तर
This is because there is some space between the particles of water in which the salt particles get accomodated when dissolved.
APPEARS IN
संबंधित प्रश्न
What is volume ?
Name the three states of matter and define them.
Give reason:
Why do liquids and gases flow but solids do not ?
Fill in the blank:
Water is a matter because it has mas and occupies....................
The state of matter which has no definite shape or volume is called
- solid
- liquid
- gas
- water
What happens when a solid is heated ?
Why liquids do not have a definite shape ?
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.
Give the reason for the following
Particles of matter move more rapidly on the application of heat.
