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

Describe how coal is formed from dead vegetation. What is this process called?

Explain why fossil fuels are exhaustible natural resources.

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?

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

When lignite becomes darker and harder over time ______ coal is formed.

______ is used to make face packs and cosmetics.

Coal helps to create alumina refineries.

Coke is used in the preparation of dyes, explosives, paints synthetic fibers, and pesticides.

Coal is also known as black diamond owing to its precious nature.

Coal tar is a black, thick with an smell.