Which of the following is not a feature of potable water? a) It must be clean, colourless and odourless. b) It must be free from bacteria c) It must have excessive sodium ,calcium and magnesium d) It must contain dissolved oxygen and carbon dioxide

Which of the following is not a feature of potable water?
a) It must be clean, colourless and odourless.
b) It must be free from bacteria
c) It must have excessive sodium ,calcium and magnesium
d) It must contain dissolved oxygen and carbon dioxide
by

1 Answer

Answer :

c) It must have excessive sodium ,calcium and magnesium
by

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