R Ram Sharma π Coach β 193.88K Points π Science Q. Chemical composition of cement is (A) Limestone & Gypsum (B) Limestone, Clay & Gypsum (C) Clay & Gypsum (D) Limestone & Clay ποΈ Show Answer π Share β‘Menu β Correct Answer: (B) Limestone, Clay & Gypsum You must be Logged in to update hint/solution π¬ Discussion π¬ Comment