Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 7 (Q.No. 16)

Water Supply Engineering

16.

Pick up the correct statement from the following :

Due to boiling, the bacterias present in water can be destroyed

Lime may be used for softening hard water

Excess lime when added to water, raises the pH value of water

the bacterias do not survive in water having pH value exceeding 9.5

All the above.

Answer: Option

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