Chemical Process
Oxidation of SO₂ to SO₃ is favoured by

High temperature and high pressure
High temperature and low pressure
Low temperature and low pressure
Low temperature and high pressure

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Liquefaction of gases can not be done by

Merely compressing it beyond critical pressure
Exchange of heat with colder stream
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Adiabatic expansion against a piston or in a turbine

ANSWER DOWNLOAD EXAMIANS APP