Shrinkage volume in cement setting does not depend upon the

A. Sand to cement ratio

B. Water to cement ratio

C. Ambient temperature fluctuation

D. Drying period

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  18. Chalcopyrite is the main ore of
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  20. Concentration of hydrogen peroxide is done by
  21. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
  22. Glycerine is recovered from lye by
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