Pick up the incorrect statement from the following:
(A) Iron salts produce heavy flocks and hence remove more suspended matter
(B) Iron salts remove hydrogen sulphides
(C) Iron salts can be used over a limited range of pH values
(D) Iron salts impart corrosiveness to water
(A) Iron salts produce heavy flocks and hence remove more suspended matter
(B) Iron salts remove hydrogen sulphides
(C) Iron salts can be used over a limited range of pH values
(D) Iron salts impart corrosiveness to water