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The chlorine demand of a water sample ...
Que.
The chlorine demand of a water sample was found to be 5.0 mg/lit. The amount of bleaching powder containing 30% available chlorine to be added to treat one liter of such a water sample is :
A.
1.67
B.
1.92
C.
1.01
D.
1.36
Right Answer is :
✓ A. 1.67
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