Advertisements
Advertisements
प्रश्न
What happens when a solid is heated ?
Advertisements
उत्तर
When a solid is heated, its molecules gain energy and vibrate faster. A stage comes when they overcome intermolecular force of attraction and start moving from each other. This results in melting of solid.
APPEARS IN
संबंधित प्रश्न
Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Give two example of the following:
The substances which sublime.
Water cycle is an example of inter conversion of states of water. Explain.
Fill in the blank:
The physical state of a substance, which has a fixed volume but no fixed shape is .........
Name the phenomenon which cause the following change:
Conversion of water into steam.
The process by which a solid changes into a liquid is called
- freezing
- melting
- condensation
- evaporation
A solid is a state of matter that has
- no definite shape.
- large intermolecuiar space.
- high intermolecuiar force of attraction.
- no definite volume.
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
Give reason Electricity is not considered matter .
Give a reason why –
Liquids have a definite volume but no definite shape.
