Gypsum is added to Portland Cement to

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Gypsum is added to Portland Cement to

(a) accelrate the process of setting 
(b) harden it 
(c) retard the process of setting 
(d) improve hydratabality of cement 


Asked On2019-06-12 10:02:07 by:RSHAH12

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Answer : Retard the process of setting
Explanation :
Gypsum is added to control the “setting of cement”. 
If not added, the cement will set immediately after mixing of water leaving no time for concrete placing.
Gypsum slows down the setting of cement so that cement is adequately hardened.

Answerd on:2019-06-12 Answerd By:pavanmacherla

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