Answer- D. All the above
If ph value of water is 7 water it is said to be neutral, If less than 7 it is said to be acidic and if more than 7 it is said to be alkaline.
Solution
Some points related to the pH of water:
- As water is generally neutral, so in that condition, its pH is 7
- As acidity increases in water its pH decreases
- As alkalinity increases, the pH of water increases.
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