GK
BASIC GENERAL KNOWLEDGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which is/are the important raw material(s) required in cement industry?
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Clay
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Limestone and Clay
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Gypsum and Clay
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Limestone
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Explanation:
Detailed explanation-1: -Limestone and clay are the raw materials that are used in manufacturing cement.
Detailed explanation-2: -The correct answer is Cement. Limestone is a form of calcium carbonate which is used extensively for the manufacture of cement.
Detailed explanation-3: -Different minerals need to be mined in order to make cement. Limestone (containing the mineral calcite), clay, and gypsum make up most of it. The US Geological Survey notes that cement raw materials, especially limestone, are geologically widespread and (luckily) abundant.
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