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प्रश्न
Name the following:
The main, rare (inert) gas present in air.
उत्तर
Argon
संबंधित प्रश्न
Fill in the blank :
________ is the most abundant inert gas present in air.
State three uses of water vapour in the air.
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Write ‘True’ or ‘False’ in front of following statement.
The catalyst used in laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium oxide
Define the following:
Combustion.
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
Which of the following is true about oxygen?
How to show the presence of carbon-di-oxide in the air?
Carbon dioxide gas is ______.
