State How Carbon Occurs in the Free State and in the Combined State.

State how carbon occurs in the free state and in the combined state.

Short/Brief Note

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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Chapter 9: Carbon & Its Compounds - Exercises

Chapter 9 Carbon & Its Compounds
Exercises | Q 2

Which of the following molecule is called buckministerfullerene?

C₉₀ C₆₀ C₇₀ C₁₂₀

Define the following:

Adsorption

FILL IN THE BLANK

Organic compounds have ........ boiling and melting points.

Name the simplest organic compound.

Answer the following question.
What is methane?

Answer the following question.
Name the type of bonds formed in the methane compound.

How would you prove experimentally that is slightly acidic in nature.

Starting from carbon dioxide how would you obtain a fertilizer.
[Give balanced equations for the same]

Give a balanced equation for the following conversion: [In one or two steps]

Carbon dioxide to carbon.