2. Free Ncert Solutions
  3. 11th Class
  4. Chemistry
  5. The s-Block Elements / s-ब्लॉक के तत्व

11th Class Chemistry The s-Block Elements / s-ब्लॉक के तत्व

  • question_answer 1)
      By adding gypsum to cement:                    (a) setting time of cement becomes less               (b) setting time of cement increases               (c) colour of cement becomes light                          (d) shining surface is obtained                      

    Answer:

      (b) On adding gypsum to cement, its setting time will increase.


You need to login to perform this action.
You will be redirected in 3 sec spinner