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प्रश्न
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
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उत्तर
Sugar is soluble in water whereas talcum powder is not.
संबंधित प्रश्न
Which of the following are matter?
Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.
Give two example of the following:
The substances which do not change their state on heating.
What is volume ?
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Write true or false for statement. Rewrite the false statement correctly.
Solids can be compressed easily.
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly.
The state of matter which has no definite shape or volume is called
- solid
- liquid
- gas
- water
Fill in the blank :
Air is a matter because it has ________ and _______ and it can be _________
Name the three states of matter and define them.
What is meant by 'diffusion'? Give one example of diffusion in gases.
