Exit of Coke from India #LLAShorts 299

The magnetic susceptibility of a metrial of a rod is 299. Permeatbility of vaccum mu_(0)

Assertion: Extraction of zinc from sphalerite ore involes the roasting followed by reduction with coke. Reason: Zinc can be extracted by hydrometallurgy.

Despite having large reserves of coal, why does India important millions of tonnes of coal ? 1. It is the policy of India to sabe its own coal reserves for future, and import it from other countries for the present use . 2. Most of the power plants in India are coal - based and they are not able to get sufficient supplies of coal from withing the country. 3. Steel companies need large quantity of coking coal which has to be imported. Which of the statements given above is.are correct ?