Q.

The element present in the largest amount in rocks and minerals is -

A. carbon
B. silicon
C. hydrogen
D. aluminium
Answer» B. silicon
Explanation: Silicon is the eighth most common element in the universe by mass, but very rarely occurs as the pure free element in nature. It is most widely distributed in dusts, sands, planetoids, and planets as various forms of silicon dioxide (silica) or silicates.
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