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प्रश्न
Starting from carbon dioxide how would you obtain a black particles of carbon.
[Give balanced equations for the same]
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उत्तर
Black particles of carbon : Burning magnesium burns in CO2 making use of oxygen of CO2 producing black carbon particles.
\[\ce{2Mg CO2 -> 2MgO + C}\]
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संबंधित प्रश्न
Fill in the blank.
The name ‘carbon’ is derived from the Latin word...........
Match the colunm
| column A | column B |
| 1. A product of incomplete burning | a. Hopcolite |
| 2. Nature of carben monoxide | b. Combustible gas |
| 3. A compound formed by the combination of haemoglobin and carbon monoxide | c. carboxy-haemoglobin |
| 4. A mixture of metallic oxides | d. Carbon monoxide |
| 5. Carbon monoxide | e. Highly poisonous |
Tick the most appropriate answer.
Carbon has a great affinity for
a. sulphur
b. nitrogen
c. oxygen
d. none of these
Give the structural difference between saturated and unsaturated hydrocarbons with two examples each.
Carbon dioxide occurs both in the free state and in the combined state.
State three methods how carbon dioxide is added to the atmosphere.
How would you prove experimentally that carbon dioxide does not support combustion.
How would you prove experimentally that is slightly acidic in nature.
Explain the term ‘dry ice’. State its application.
Explain the carbon cycle or biogeochemical cycle.
Cigarette smoking is a source of ______.
