Chemical Process
Use of chlorine in the treatment of sewage

Aids in flocculation
Causes bulking of activated sludge
Increases the biological oxygen demand(BOD)
Helps in grease separation

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Comparing sulphate process with sulphite process, we find that __________ in the later.

Both temperature & pressure in the former is more than that
Pressure is more in the former whereas temperature is less
Temperature is more in the former whereas pressure is more
Both temperature & pressure in the former is less than that

ANSWER DOWNLOAD EXAMIANS APP