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pH scale
Question | Answer |
---|---|
What is the range of numbers on the pH scale? | 0 - 14 |
What is the range of numbers for an acid? | 0 - 7 |
What is the range of numbers for a base? | 7 - 14 |
What numbers might show a STRONG base? | 13 or 14 |
What numbers might show a STRONG acid? | 0 or 1 |
What numbers might show a WEAK base? | 8 or 9 |
What numbers might show a WEAK base? | 5 or 6 |
An ACID has more of which type of ion? | hydrogen ion |
A BASE has more of which type of ion? | hydroxide ion |
What is the chemical formula for a hydroxide ion? | OH - |
What is the chemical formula for a hydrogen ion? | H+ |
What is the pH of a neutral solution? | 7 |
What does it mean to say that a solution has been neutralized? | The acid and base are balancing each other and getting closer to neutral. |