The amount of coagulant needed for coagulation of water increases with
i) increase in turbidity of the water
ii) decrease in turbidity of the water
iii) increase in temperature of the water
iv) decrease in temperature of the water
The correct answer is1
(i) and (iii)
2
(i) and (iv)
3
(ii) and (iii)
4
(ii) and (iv)