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प्रश्न
Fill in the blank
When a gas is cooled, its molecules .............. energy.
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उत्तर
When a gas is cooled, its molecules loose energy.
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संबंधित प्रश्न
Fill in the blank
The gases are .......... dense.
Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
Give a reason for the We need to classify things.
Give reason :
Why do liquids and gases flow but solids do not?
Give two examples for of the following
Substances which do not change their states.
Multiple choice question.
A solid is a state of matter that has
What are the two main types of matter?
Which one is a kind of matter
Complete the statement given below by selecting the correct word.
The conversation of vapour into a liquid is called ____.
Complete the statement given below by selecting the correct word.
____ is an example of a crystalline substance.
