Across
- 2. Colour of red litmus paper in acidic solutions
- 3. Red litmus paper turns __________ in alkaline solutions
- 4. Common example of a neutral solution
- 5. Name the group of substances with a pH range of 0-6
- 6. The things that can change in an experiment
- 8. A substance that changes colour to show acidity or alkalinity
- 10. Acids and alkalis are ___________ opposites
Down
- 1. Name the reaction where you mix an acid and an alkali together
- 3. What colour is the Universal Indicator in a solution with a pH of 10?
- 7. Strong acids and alkalis are dangerous because they are _____________
- 9. Litmus paper turns _________ in neutral solutions