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Building Materials

Q1: Pick up the polymineralic rock from the following:

A Quartz sand

B Pure gypsum

C Magnesite

D Granite

E None of these.

ANS:D - Granite

Granite is a polymineralic rock, which means it is composed of a mixture of minerals. Granite is typically made up of quartz, feldspar, and mica, as well as smaller amounts of other minerals. The different minerals in granite give it a variety of colors and patterns, ranging from white to pink to black.



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