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प्रश्न
Define of matter.
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उत्तर
Matter is anything which has mass, occupies space and can be percieved by our senses.
Example: Air, Book.
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संबंधित प्रश्न
Give reason for the following.
Gases can be compressed easily.
Give reason:
The odour of scent spreads in a room.
Give reason:
We can walk through air.
Fill in the blank:
The molecules are at a greater distance in ............. compared to liquids.
Fill in the blank:
Molecules in a.............. are packed very closely.
Fill in the blank:
When a gas is cooled, its molecules.......... energy.
Write true or false for statement. Rewrite the false statement correctly.
The smallest part of an element capable of independent existence 4s called an atom.
State the main postulate of the kinetic theory with special reference to Inter-particle space.
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of A liquid into vapour [or gas] With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
Give reason for the following
Particles of matter possess energy called kinetic energy.
