Question
What is the permissible concentration of residual
chlorine present in drinking water in mg/L?Solution
Typical levels of free chlorine or residual chlorine present in drinking water are 0.2 - 2.0 mg/L though levels can be as high as 5 mg/L.
More Chemistry GS Questions
What will come in place of the question mark (?) in the following series?
17, 138, 307, 532, ?, 1182
What value should come in the place of (?) in the following number series?
?, 664, 706, 769, 853, 9588 12 30 105 ? 2598.75
...251, 130, 274, ?, 301, 76
166 156 136 ? 66 16
196, 167, 144, ?, 108, 95
4 9 28 99 ? 2105 12660
...1, 6, 27, 124, ?, 3906, 27391
...18 ? 20 13 22 11
What will come in place of the question mark (?) in the following series?
25, 25, 5, 10, 2, ?
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