Advertisements
Advertisements
प्रश्न
What are the three states of matter ? Define each of them with two examples.
Advertisements
उत्तर
The three states of matter are solids, liquids and gases :
- Solids - A solid has a definite shape and definite volume.
Example – wood, stone, iron, ice etc. - Liquid - A liquid has a definite volume but not definite shape.
Example - water, juice, milk, oil, etc. - Gases - A gas neither has definite shape nor a definite volume.
Example - air, hydrogen, oxygen, watervapour etc.
APPEARS IN
संबंधित प्रश्न
Define of matter.
Define of intermolecular force of attraction.
Define matter.
Give reason:
A gas fills up the space available to it.
Give reason:
Liquids have definite volume but no difinite shape.
Give an experiment to explain that there are intermolecular spaces between water molecules.
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of Vapour [or gas] into a liquid With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
On the basis of kinetic theory explain why ammonium chloride sublims and goes from solid-state directly into vapour state.
The kinetic energy of molecules in helium is ______ compared to the kinetic energy of molecules in water.
Give reason for the following
Particles of matter possess energy called kinetic energy.
