Q. Consider the following statements:

1. Lignite is a low grade brown coal, used for generation of electricity.
2. The principal lignite reserves are in Neyveli in Tamil Nadu.
3. Bituminous is the highest quality hard coal.

Which of the above is / are correct?
Answer: Only 1 and 2
Notes: Lignite is a low grade brown coal, which is soft with high moisture content. The principal lignite reserves are in Neyveli in Tamil Nadu and are used for generation of electricity. Coal that has been buried deep and subjected to increased temperatures is bituminous coal. It is the most popular coal in commercial use. Metallurgical coal is high grade bituminous coal which has a special value for smelting iron in blast furnaces. Anthracite is the highest quality hard coal.