Q. The silica in Portland cement should be ?

(A) 10 to 20%
(B) 20 to 25%
(C) 25 to 40%
(D) 40 to 60%

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✅ Correct Answer: (B) 20 to 25%

Published by Vikash Gupta ⭐ 33.56K Points at 23-Feb-2025 04:17 pm in Building Materials

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