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| Q.144 | Determine the quantity of bleaching powder required for a rural water supply scheme so as to chlorinate 20000 litre of water, whose chorine demand is 2 mg/l. Assume the bleaching powder has 40% available chlorine. | |
| Ans | A. 16 gram | |
| B. 200 gram | ||
| C. 40 gram | ||
| D. 100 gram |
Correct Ans Provided: D
