Pick out the wrong statement.

A. Dry process is used for the manufacture of cement, when the raw material is blast furnace slag

B. Portland cement is made employing wet process

C. Gypsum is added to Portland cement to lengthen its setting time

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. In the Lurgi coal gasifier
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  5. Concentration of sulphide ores is done usually by
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  23. Bordeaux mixture is a/an
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