Chemical Process
__________ is the major constituent of the Portland cement.

Calcium carbonate
Tricalcium silicate
Calcium oxide
Calcium sulphate

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
DDT stands for

Diethyl-diphenyl-trichloromethane
Dichloro-diphenyl-trichloromethane
Dichloro-diphenyl-trichloroethane
Diphenyl-dichloro-trichloromethane

ANSWER DOWNLOAD EXAMIANS APP