The maximum permissible chloride content for public supplies should be between -
(a) 0.1 to 0.2 ppm
(b) 0.3 to 0.4 ppm
(c) 1.2 to 4 ppm
(d) 6.5 to 8 ppm.
The correct Answer Is
(a) 0.1 to 0.2 ppm
(a) 0.1 to 0.2 ppm
(b) 0.3 to 0.4 ppm
(c) 1.2 to 4 ppm
(d) 6.5 to 8 ppm.
The correct Answer Is
(a) 0.1 to 0.2 ppm