Mass Transfer
Raschig ring made of procelain cannot be used for treating concentrated

Sulphuric acid
Alkalis
Hydrochloric acid
Nitric acid

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Molecular diffusion is caused by the

Transfer of molecules from low concentration to high concentration region
Activation energy of the molecules
Thermal energy of the molecules
Potential energy of the molecules

ANSWER DOWNLOAD EXAMIANS APP