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Question
During the manufacture of Portland cement, gypsum or Plaster of Paris is added to
iksVZySaM lhesaV ds mRiknu ds nkSjku] mlesa ftIle ;k IykLVj vkWiQ isfjl bl fy, feyk;k tkrk gS
A.
 Increase the strength of cement
B.
Modify the colour of cement
C.
Reduce heat of hydration of cement
D.
Adjust setting time of cement
Answer ( Option D)

Adjust setting time of cement

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