Marble is mainly composed of

Static GK (Culture, Books, Sports, Firsts) · General Awareness · Medium · Practice for RRB Group D, RRB NTPC CBT 1, SSC CGL Tier 1, SSC CGL Tier 2, SSC CHSL Tier 1

Marble is mainly composed of

Calcium carbonate
Calcium sulphate
Calcium oxide
Magnesium carbonate

Answer and solution

Correct answer: A) Calcium carbonate

Marble is metamorphosed limestone, CaCO₃.

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