Q.

pH scale ranges from –

A. 0 - 7
B. 8 - 14
C. 0 - 14
D. None
Answer» C. 0 - 14
Explanation: The pH scale measures how acidic or basic a substance is. The pH scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is basic. The pH scale is logarithmic and as a result, each whole pH value below 7 is ten times more acidic than the new higher value.
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