Coal tar is a black, thick ______ with an ______ smell.

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Coal tar is a black, thick liquid with an unpleasant smell.

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Chapter 5: Coal and Petroleum - Very Short Answer Questions [Page 25]

Chapter 5 Coal and Petroleum
Very Short Answer Questions | Q 16. (c) | Page 25

Fossil fuels can be made in the laboratory.

Explain why fossil fuels are exhaustible natural resources.

Coal tar is a mixture of various substances.

Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?

Which substance is formed by the carbonisation of dead vegetation?

Naphthalene balls are obtained from coal tar and are used as

When heated in air, coal burns and produces mainly ______ gas.

During the processing of coal to get coke, coal tar and ______ are also obtained.

Coal reserves are said to be enough to last for another hundred years. Do you think we need to worry in such case? Why or why not?

What are the uses of coal?

Coal tar is a black, thick with an smell.