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Q: How many types of chemical admixture are there?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Correct Answer: Option C - There are following 4 types of chemical admixtures for concrete– (1) Air - Entraining Admixture. (2) Accelerating Admixture. (3) Water reducing admixture. (4) Retarding admixture.
C. There are following 4 types of chemical admixtures for concrete– (1) Air - Entraining Admixture. (2) Accelerating Admixture. (3) Water reducing admixture. (4) Retarding admixture.

Explanations:

There are following 4 types of chemical admixtures for concrete– (1) Air - Entraining Admixture. (2) Accelerating Admixture. (3) Water reducing admixture. (4) Retarding admixture.