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Portland cement contains 'X' to enhance the setting time. What is 'X'? 4 2 4 2 4 3 4 2 (A) CaSO . H — s Block Elements Chemistry Question

Question

Portland cement contains 'X' to enhance the setting time. What is 'X'? 4 2 4 2 4 3 4 2 (A) CaSO . H O (B) CaSO .2H O (C) CaSO (D) CaCO

Answer: B) CASO .2H O

💡 Solution & Explanation

Gypsum (CaSO , 2H O) is usually added to prevent early hardening and increase the settling time.

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