Q3 of 19 Page 149

Explain the difference:

A. Diamond and graphite.


B. Crystalline and non-crystalline forms of carbon.

A. Difference between diamond and graphite:



B. Difference between crystalline and non-crystalline forms of carbon:



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2

Answer the following questions

In which compound forms does carbon occur?

 2

Answer the following questions

Write the uses of diamond.

 4

Write scientific reasons

A. Graphite is a conductor of electricity.


B. Graphite is not used in ornaments.


C. Limewater turns milky when CO2 is passed through it.


D. Biogas is an eco-friendly fuel.

 5

Explain the following.

Diamond, graphite and fullerenes are crystalline forms of carbon.