Across
- 3. HCL + ? = a ph of 7 (used in a lot of experiments we have done)
- 4. a ph of 8 - 14
- 6. a substance to determine the ph of a liquid (it is two words but i had to join them together
- 7. an acid that comes from lemons
Down
- 1. A lung disease caused by breathing in volcanic ash (this is a bonus you don't have to do it)
- 2. a scale to show how acidic or alkaline a substance is
- 3. a way to bring the ph to 7
- 5. a ph of 1 - 6