MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryMetallurgyOccurrence of Elements in Nature

Silicon is the main constituent of

A.rocks✓ Correct

B.alloys

C.animals

D.plants

Explanation

We know that the earth's crust is the top layer of earth and it is made up of many elements. So, silicon is one of the most abundant elements in the earth's crust and we know that the earth crust is made by sedimentation of rocks. Therefore, silicon is the main constituent of rocks Concentration of Ore

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