Percentage of silica in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80

Percentage of silica in a good brick earth lies between
(A) 5 to 10 %
(B) 20 to 30 %
(C) 50 to 60 %
(D) 70 to 80
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1 Answer

Answer :

Answer: Option C
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