11th Class
Chemistry
The s-Block Elements / s-ब्लॉक के तत्व
question_answer49)
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.