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Q. |
If water smells bad, then that odour can be removed by adding - |
A. | alum |
B. | bleach |
C. | activated carbon |
D. | deactivated nitrogen |
Answer» C. activated carbon | |
Explanation: Adding powdered activated carbon to water or using of granular activated carbon (GAC) in the water filter can remove bad taste and foulodor. |
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