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Questions and Answers
Which of the following is a characteristic of acids?
Which of the following is a characteristic of acids?
- Turns red litmus paper blue
- Has a pH greater than 7
- Reacts with metals to produce hydrogen gas (correct)
- Tastes bitter
What is the pH range of a base?
What is the pH range of a base?
- 14-21
- 0-7
- 7-14 (correct)
- 0-14
Which one of the following substances is a salt?
Which one of the following substances is a salt?
- Table salt (correct)
- Lemon juice
- Baking soda
- Vinegar
