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Questions and Answers
Which of the following is NOT a characteristic of an acid?
Which of the following is NOT a characteristic of an acid?
- Reacts with metals to produce hydrogen gas
- Sour taste
- Has a pH greater than 7 (correct)
- Turns litmus paper red
Which of the following is a noble gas?
Which of the following is a noble gas?
- Carbon
- Helium (correct)
- Hydrogen
- Oxygen
Which of the following is a greenhouse gas?
Which of the following is a greenhouse gas?
- Argon
- Oxygen
- Nitrogen
- Carbon dioxide (correct)
