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Questions and Answers
Which of the following is a characteristic of a base?
Which of the following is a characteristic of a base?
- Turns red litmus paper blue (correct)
- Reacts with metals to produce hydrogen gas
- Tastes sour
- Has a pH less than 7
What is the pH value of a strong acid?
What is the pH value of a strong acid?
- pH 5
- pH 7
- pH 9
- pH 1 (correct)
What happens to the pH of a neutral solution when more acid is added?
What happens to the pH of a neutral solution when more acid is added?
- pH remains the same
- pH becomes negative
- pH decreases (correct)
- pH increases
