Chemistry, asked by mukesh921230, 7 months ago

how is chalk made of

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Answered by ur426193

Answer:

The main component of chalk is calcium carbonate (CaCO 3 ), a form of limestone.

Answered by abhishekking25

Answer:

Chalk, soft, fine-grained, easily pulverized, white-to-grayish variety of limestone. Chalk is composed of the shells of such minute marine organisms as foraminifera, coccoliths, and rhabdoliths. The purest varieties contain up to 99 percent calcium carbonate in the form of the mineral calcite.

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