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

Hydrochloric acid
Nitric acid
Sulphuric acid
Alkalis

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
Bollman extractor

Is a centrifugal extractor
Is a static bed leaching equipment
Is used for extraction of oil from oilseed
Employs only counter-current extraction

ANSWER DOWNLOAD EXAMIANS APP