Question

What do you mean by admixtures?

(a) Ingredients which are added to in cement before or after concrete mix

(b) Ingredients which are added to make aggregates healthier

(c) Ingredients added in cement to make it shinier

(d) Ingredients added in concrete to make good workability

This question was addressed to me in unit test.

This question is from Admixtures topic in chapter Admixtures and Construction Chemicals of Concrete Technology

Answer 1

The correct answer is (a) Ingredients which are added to in cement before or after concrete mix

The explanation is: Admixtures are those ingredients in concrete other than Portland cement, water, and aggregates that are added to the mixture immediately before or after the concrete mix.