By adding gypsum to cement
(i) Setting time of cement becomes less.
(ii) Setting time of cement increases.
(iii) Solour of cement becomes light.
(iv) Shining surface is obtained.
By adding gypsum to cement
(i) Setting time of cement becomes less.
(ii) Setting time of cement increases.
(iii) Solour of cement becomes light.
(iv) Shining surface is obtained.
This is a multiple choice type question as classified in NCERT Exemplar
Correct option (ii)
On adding water to cement it gets harder over a period of time. This is known as setting of cement. Gypsum is added to the cement to slow the setting time of cement which occurs in the presence of water.
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Chemistry NCERT Exemplar Solutions Class 11th Chapter Ten 2025
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