Fill in the blanks by using the correct word/term given in the brackets.
The pH of an acid is _____ than 7. (greater/less)

Explanation

To solve the question, we need to understand the pH scale and how it relates to acids and bases.

1. **Understanding pH**: The pH scale measures the concentration of hydrogen ions (H⁺) in a solution. The formula for pH is given by:
\[ \text{pH} = -\log[\text{H}^+] \]
This means that as the concentration of hydrogen ions increases, the pH value decreases.

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