Q. Cement is usually a mixture of:

  • (A) Calcium aluminate & calcium ferrate
  • (B) Lime stone & silicon dioxide
  • (C) Calcium silicate & calcium ferrate
  • (D) Calcium silicate & calcium aluminate
✅ Correct Answer: (D) Calcium silicate & calcium aluminate

Published by Ram Sharma ⭐ 193.88K Points at 20-Feb-2022 01:45 pm in Chemistry

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