Chemical Process
Reverse osmosis is normally used for the

Separation of isotopes of uranium from gaseous uranium hexaflouride
Purification of oxygen
Separation of helium from natural gas
Desalination of brackish water to produce potable (drinking) water

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
DDT stands for

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

ANSWER DOWNLOAD EXAMIANS APP