Calcareous & argillaceous materials are used in the manufacture of ___________________?
Correct answer: D. Cement
- A. Lead
- B. None of these
- C. Carbon disulphide
- D. Cement
Explanation
Calcareous materials supply calcium carbonate, while argillaceous materials supply silica and alumina; these are the principal raw-material groups for cement manufacture. Lead and carbon disulphide do not require this combination.
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