From what cement and talcum powder is made of?

Chemistry

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Answer

Cement and talcum powder are made from different primary materials.

Cement is primarily made from limestone (calcium carbonate, CaCO₃) and clay (which contains silica, SiO₂, and alumina, Al₂O₃). These are heated to very high temperatures in a kiln to form clinker, which is then ground into a fine powder.

Talcum powder is made from talc, a mineral composed of hydrated magnesium silicate (Mg₃Si₄O₁₀(OH)₂). It is mined and then ground into a fine powder.

2 हो गए। आज 3 बाकी — अगला भेजो।

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