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Question

What is the pH range for an acid substance?

A
0 - 7
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B
1 - 7
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C
7 - 14
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D
1 - 6
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Solution

The correct option is A 0 - 7
The strength of acidic and basic substances is measured with respect to pH scale. The standard value of an acid on a pH scale is between 0 - 7 while the substances that are basic have the value ranging between 7 - 14. For strong acids like hydrochloric acid (Hcl), the value of pH is around 0 to 1.

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