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प्रश्न
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
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उत्तर
Argon gas at low pressure is used for filling electric bulbs.
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संबंधित प्रश्न
What is nitrogen-fixation?
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
Name and briefly explain four ways by which pollution of air is caused by humans.
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
Name the following:
The component of air which is present more in industrial areas.
How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
List out the uses of nitrogen.
Composition of the component of air ______ from place to place.
______ is necessary for all acids.
Explain the following observations very briefly
Breathing through mouth may harm you.
