Chlorine demand of water is measured by
a) Horrock’s appratus
b) Chlorimeter
c) Double pot
d) Berkfeld filter
Correct answer : a) Horrock’s appratus
Chlorine demand of water is measured by
a) Horrock’s appratus
b) Chlorimeter
c) Double pot
d) Berkfeld filter
Correct answer : a) Horrock’s appratus