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

Which of the following option doesn’t come in mineral admixtures?

Concrete placed in cold weather will take ________ time to gain strength.

Concrete containing silica fume can have very ______ strength and can be very ______

Water repelling materials like soda, potash soaps, etc make the concrete pervious.

Which one is not chemical admixtures?

What is the content of unburnt fuel in fly ash?

Chemically inactive pore fillers ______ the workability.