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प्रश्न
Carbon dioxide occurs both in the free state and in the combined state.
State three methods how carbon dioxide is added to the atmosphere.
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उत्तर
Carbon dioxide is added to the atmosphere by
- Burning of carbon compounds – wood petroleum.
- Death and decay of organic matter.
- Respiration in living organisms.
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संबंधित प्रश्न
Write true or false
Carbon constitues 0.03% of the earth’s crust.
FILL IN THE BLANK
Organic compounds have ........ boiling and melting points.
FILL IN THE BLANK
Natural gas is an important ............. fuel.
Answer the following question.
Why are methane compounds have poor conductors of electricity?
Name the following:
The gaseous product obtained when carbon monoxide is passed over heated iron [III] oxide.
Higher Order Thinking Skill.
Why do carbon exist mostly in combined state?
Carbon exists in the atmosphere in the form of ______.
A large family of fullerene exists, starting at ______ and ______ reaching up to.
Cigarette smoking is a source of ______.
