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प्रश्न
What are fluids ? Give two examples.
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उत्तर
Substances that can flow are called fluids, e.g. gases (oxygen, hydrogen), liquids (water, petrol, sulphuric acid).
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संबंधित प्रश्न
Write your observation and conclusion for the following:
Ice is kept at room temperature.
Define: Solid
True or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Select the correct alternative
The molecules ____________
Define matter.
Give one difference between atoms and molecules.
Give reason :
The odour of scent spreads in a room.
Give reason :
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Write true or false for the statement. Rewrite the false statements correctly.
Matter cannot exist in different states.
Write a scientific reason.
Hydrogen is combustible, oxygen helps combustion, but water helps to extinguish fire.
