......... is the basic raw material for the cement industry and essent – InterviewSolution

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1.	......... is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace. (a) Gypsum (b) Limestone (c) Potash salt (d) Sodium salt
Answer» Limestone is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace.

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