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प्रश्न
State how carbon occurs in the free state and in the combined state.
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उत्तर
- Occurence of carbon : In free state – diamond, graphite, in impure form as coal.
- In combind state : CO2 in atmosphere, hydro-carbon as natural gas, petroleum, cellulose in wood and limestone CaCO3.
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संबंधित प्रश्न
Name the element whose allotropic form is graphite.
Define the following:
Carbonization
How many carbon atoms are there in Buckminster fullerenes?
FILL IN THE BLANK
.................... is the main gaseous compound of carbon.
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..................... is used as a pigment and colouring matter in ink and shoe polish.
Write the name and the chemical formula of the simplest alkene.
The portion left on dropping a hydrogen atom from an alkane is called ______.
The carbon cycle is the ______ cycle.
Answer the following by rearranging the jumbled letters :
Carbon combines with other elements through the _______ bond.
lnaocvet.
Why is carbon monoxide harmful to health? (or) What happens when we breathe Carbon monoxide?
