MEDIUM
9th CBSE
IMPORTANT
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Ice at 0° C is more effective in cooling than water at the same temperature because

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Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT

The density of water is maximum at

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9th CBSE
IMPORTANT
Solids and gases mix/dissolve in water
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9th CBSE
IMPORTANT
Choose the correct statement from the following:
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9th CBSE
IMPORTANT
As the pressure of air decreases, the boiling point of the liquid
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9th CBSE
IMPORTANT
Which among the following can exist in vapour state?
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9th CBSE
IMPORTANT
At normal pressure (1 atmospheric pressure) the boiling point of water is 
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9th CBSE
IMPORTANT
The pressure of air is measured in atmosphere and pascal, 1 atmospheric pressure is equal to
MEDIUM
9th CBSE
IMPORTANT
Cooking of rice at higher altitudes is difficult because