GK
GENERAL SCIENCE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following are the two main constituents of granite?
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Iron and silica
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Iron and silver
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Silica and aluminium
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Iron oxide and potassium
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Explanation:
Detailed explanation-1: -The correct answer is Silica and Aluminium. Granite is a light-coloured igneous rock that forms when magma cools relatively slowly underground.
Detailed explanation-2: -In contrast, granite can contain up to 45-50% silica. The table below describes typical silica/ quartz content of common natural and engineered stones.
Detailed explanation-3: -Granite. (Continental crust) Density 2.7-2.8. High silica content (acidic).
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