Limestone is used in which of the following?

It is used in cement industry.

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It is used in smelting iron ores in blast furnaces.

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It is used in making electrical wires.

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It is used in making water pipes.

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Solution

The correct options are
A It is used in cement industry.
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.

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