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Q: What is the range of Iron oxide present in ordinary Portland cement?
  • A. 0.5 – 6 %
  • B. 8 – 15 %
  • C. 17 – 25 %
  • D. 0.5 – 1.3 %
Correct Answer: Option A - See the above Explanation
A. See the above Explanation

Explanations:

See the above Explanation