Which of the following will play an important role in controlling the rate of hardening of the cement?
A
Adhesives
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B
Phenol
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C
Gypsum
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D
Detergent
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Solution
The correct option is CGypsum Gypsum plays a very important role in controlling the rate of hardening of the cement. During the cement manufacturing process, a small amount of gypsum is added to the final grinding process. Gypsum is added to control the “setting of cement”.