Chemical Process
Fluorescent dyes are added in detergents to

Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics
Act as tarnish inhibitor for metals like German silver
Attain distinctiveness from other brands
None of these

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Liquefaction of gases can not be done by

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

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Enzymes are

Catalyst for temperature sensitive reactions
All of these
Derived from living organisms
Proteins with high molecular weight (around 10, 000)

ANSWER DOWNLOAD EXAMIANS APP