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प्रश्न
Define the following term of Molecule .
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उत्तर
Molecule — A molecule is a smallest part of a compound that exists independently.
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संबंधित प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
Give reasons:
A gas can fill the whole vessel in which it is enclosed.
Give reasons:
Solids cannot be compressed.
Give reasons:
Liquids can flow
Fill in the blank:
The change of water vapour into water is called ......................
Write whether the following statement is true or false.
Only water can exist in three different states.
Write whether the following statement is true or false.
Intermolecular force of attraction is greater in gases than in liquids.
Give reason of The odour of scent spreads in a room.
Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?
Explain the following :
When an incense stick is lighted in the corner of a room, its fragrance spreads quickly in the entire room.
