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Q. |
Limestone is a raw material used by which industry? |
A. | Aluminium |
B. | Fertilizers |
C. | Cement |
D. | Petrochemicals |
Answer» C. Cement | |
Explanation: Limestone is used as a raw- material for the manufacture of quicklime (calcium oxide), slaked lime (calcium hydroxide), cement and mortar. Clay and shale are also used as raw materials for the production of cement. |
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