What is the amount used of plasticizers in cement by weight?

Find the odd one out.

Which one is not part of chemical and mineral admixtures?

Entrapped air normally exists in the form of relatively _____ air voids.

Which one is not a chemically active pore filling material?

Water proofing admixtures are available in powder, paste or liquid and gaesous form.

What is the limitation of Carboxylic acids in High range water reducers?

Air entrainment in concrete increases ________