Question

friends tell me this ​

Answer 1

Answer:

Answer of question no.1

Gypsum plays a very important role in controlling the rate of hardening of the cement. During the cement manufacturing process, upon the cooling of clinker, a small amount of gypsum is introduced during the final grinding process. Gypsum is added to control the “setting of cement”.

Answer 2

Answer:

gypsum is added to cement because when cement is mixed with water the gypsum present it beome into CASO4 2H20 returning to its original state and becomes hard thus used to building houses as a cement