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प्रश्न
Give one difference between atoms and molecules.
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उत्तर
Atoms may or may not have an independent existence. Molecules have an independent existence.
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संबंधित प्रश्न
Why do solids, liquids and gases differ in their physical states?
True or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Write true or false for each statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Write true or false for each statement. Rewrite the false statement correctly.
Solids can be compressed easily.
Give two examples for the following :
Substances which sublime.
What do you mean by inter-molecular forces?
Give reason :
When an empty gas jar is inverted over a gas jar containing a coloured gas, the gas also spreads into the empty jar.
Solids retain their volume even when external pressure is applied. This property is called ______.
Identify the odd term out and explain.
Hydrogen, sodium, potassium, carbon
Write scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
