Which variety of coal is high in carbon content and predominantly used as metallurgical coal for smelting iron ore in blast furnaces?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Copper is mainly used in electrical cables, electronics, and chemical industries. Reason (R): Copper is highly malleable, ductile, and a good conductor of electricity. Select the correct answer using the codes given below:

Which of the following Indian states has major tertiary coal deposits?