Q58 / 180 · NEET 2020 (Phase 2) · Chemistry

What is the role of gypsum, CaSO4.2H2O in setting of cement? Identify the correct option from the following:

  • A
    to fasten the setting process
  • B
    to provide water molecules for hydration process
  • C
    to help to remove water molecules
  • Correct answer
    D
    to slow down the setting process

Solution

The purpose of adding gypsum is only to slow down the process of setting of cement so that it gets sufficiently hardened

Hence, the correct answer is option: 'D'.

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