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प्रश्न
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
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उत्तर
Nitrogen and oxygen together make up 99% of the air.
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संबंधित प्रश्न
Fill in the blanks :
_______ and ______ are the most common air pollutants.
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
Give reason:
A burning candle stops burning if covered with a glass tumbler
Name the following:
The component of air which does not support combustion.
Give word equation for the following conversion:
Nitrogen dioxide to nitric acid
What is the source of oxygen gas in air?
What happens if the percentage of carbon-dioxide increases in the air?
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
The main component of air is oxygen.
What is not true about air?
