A) Clean, colourless and odourless
B) Free from bacteria
C) Have excessive sodium, calcium and magnesium
D) Having dissolved oxygen and carbon dioxide
Correct Answer: C
Solution :
Potable water should be free from sodium, calcium and magnesium. Potable water should be clean, colourless and odourless, free from bacteria and must contain dissolved oxygen and carbon dioxide.You need to login to perform this action.
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