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प्रश्न
Which of the following is true about oxygen?
विकल्प
Completely burning gas
Partially burning gas
Doesn’t support burning
Supports burning
उत्तर
Supports burning
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संबंधित प्रश्न
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
Name the components of air with their approximate percentage by volume in air. Does the percentage by volume of each component remain the same, in the atmosphere of different parts of the world? Explain with reasons.
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Name the following:
The component of air which does not support combustion.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
Give word equation for the following conversion:
Nitrogen dioxide to nitric acid
______ gas is given to the patients having breathing problems.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
