Question

Choose for which of the following the mineral limestone can be used?

• A. It is used in cement industry.
• B. It is used in smelting iron ores in blast furnaces.
• C. It is used in making electrical wires.
• D. It is used in making water pipes.

Answer 1

Answer: (A), (B)

It is used in smelting iron ores in blast furnaces.

Limestone is a non-metallic mineral. It is an essential raw material in the cement industry. It is also used in smelting iron ores in blast furnaces. It removes impurities like silica, phosphorus, and sulfur present in the ore.