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# Two solutions X and Y were found to have pH value of 4 and 10 respectively. The inference that can be drawn is

**(a) **X is a base and Y is an acid

**(b)** Both X and Y are acidic solutions

**(c) **X is an acid and Yis a base

**(d)** Both X and Y are bases

**Correct Answer: **(c) X is an acid and Yis a base

**Explanation: **Any solution having pH > 7 will be a base while the solution having pH < 7 will surely be an acid. Hence, it can be concluded that X is an acid (pH=4, i.e. < 7) and Yis a base (pH =10, i.e. > 7).

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