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JEE Main 20236 AprilMorning Shift
Exam
JEE Main
Year
2023
Date
6 April
Shift
Morning Shift
Subject
Chemistry
Chapter
s Block Elements

JEE Main 2023 · 6 April · Morning Shift · Chemistry · s Block Elements

The setting time of Cement is increased by adding

The setting time of Cement is increased by adding

Options

  1. AClay
  2. BSilica
  3. CGypsum
  4. DLimestone

Correct answer

C. Gypsum

Step-by-step solution

Cement or Portland cement mainly contains oxides of calcium, silicon, aluminium, and iron. When water is mixed with cement, the oxides get hydrated, and cement sets extremely fast. To control the setting time of cement, gypsum is added to it, which increases the setting time of cement.

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