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Question
Name the following:
The active component of air which supports combustion and is used up in burning
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Solution
Oxygen
RELATED QUESTIONS
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Write down the composition of three main gases present in air by volume.
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
Air is a mixture of many _______.
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
Nitrogen is _______ than air.
List out the uses of nitrogen.
Soda bottle bursts sometimes when it is opened during summer. Why?
______ is necessary for all acids.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
