EASY
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IMPORTANT
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Air is:

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Important Questions on Elements, Mixtures and Compounds

MEDIUM
NDA & NA EE
IMPORTANT
A mixture of sodium chloride and naphthalene can be separated by ____.
EASY
NDA & NA EE
IMPORTANT
Matter around us can exist in three different states namely, solid, liquid and gas. The correct order of their compressibility is:
EASY
NDA & NA EE
IMPORTANT
The temperature at which solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of _____.  
EASY
NDA & NA EE
IMPORTANT
When a solid is heated, it turns directly into a gas. This process is called as: