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प्रश्न
Give reason:
A burning candle stops burning if covered with a glass tumbler
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उत्तर
Oxygen is necessary for combustion when covered with a glass tumbler supply of oxygen stops.
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संबंधित प्रश्न
What do you observe when Calcium is heated and then tested with moist blue and red litmus – paper?
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
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Explain the importance of nitrogen of the air for plant growth.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
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State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
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Write a note on nitrogen.
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Oxygen is used to oxidize ______.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
