Q10 of 36 Page 24

Which of the following is not a constituent of petroleum?

Coke is a product obtained from coal whereas the rest are obtained by refining of petroleum through fractional distillation.

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Which substance is formed by the carbonization of dead vegetation?

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Naphthalene balls are obtained from coal tar and are used as

 11

Petroleum was formed from organisms:

 12

Choose the correct statement from the following: