Match the following with respect to IS specifications on drinking water quality as per IS 10500-2012.
|
Characteristics |
Acceptable limit |
||
|
1. |
Calcium |
a. |
250 mg/l |
|
2. |
Chloride |
b. |
75 mg/l |
|
3. |
Fluoride |
c. |
0.2 mg/l |
|
4. |
Free residual chlorine |
d. |
1.0 mg/l |
1
1 - b, 2 - d, 3 - a, 4 - c
2
1 - a, 2 - b, 3 - d, 4 - c
3
1 - d, 2 - a, 3 - b, 4 - c
4
1 - b, 2 - a, 3 - d, 4 - c