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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.
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
Name the products formed when:
bone is heated in the absence of air.
Tick the most appropriate answer.
Carbon has a great affinity for
a. sulphur
b. nitrogen
c. oxygen
d. none of these
What is the name of the famous diamond that was found in Wajrakarur in Andhra Pradesh ?
State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
Name the following:
An acid formed when carbon dioxide is dissolved in water under pressure.
Give a balanced equation for the following conversion: [In one or two steps]
Calcium bicarbonate to calcium nitrate using a dilute acid.
Give reason for the following:
Carbon monoxide and not carbon dioxide is a highly poisonous gas.
Match the following.
| 1. | Alkyne | Bucky Ball |
| 2. | Andre Geim | Oxidation |
| 3. | C60 | Graphene |
| 4. | Thermocol | Triple bond |
| 5. | Combution | Polystyrene |
The ability of carbon to form ______ is the main reason for the formation of various classes of carbon compounds.
Which of the following is highly toxic?
