Question

State the uses of limestone.

Answer 1

Limestone is a sedimentary rock which mainly consists of calcium carbonate.

Uses:

1. Limestone is largely used in producing – cement.
2. It is also used for melting iron, in chemical industry, in making soda ash, soap, colours and chemicals, building construction, paper and for refining sugar.

Producing regions:

1. Andhra Pradesh, Rajasthan, Madhya Pradesh, Gujarat and Tamil Nadu produce about 70% of India’s limestone.
2. Chhattisgarh, Karnataka, Maharashtra, Himachal Pradesh are other states producing limestone.
3. Jamnagar, Kachchh, Amreli and Kheda districts are major limestone producing regions of Gujarat.
4. Limestone is also produced in Banaskantha, Mahesana, Sabarkantha, Vadodara Panchmahal, Bharuch, Narmada, Surat, Bhavnagar and Rajkot.
5. The rocks found in Jamnagar district contain about 97% lime.