Across
- 4. hydroxide. Avoid skin contact with this - it's a strong
- 6. flask. Container used to mix the chemicals, often made of glass.
- 7. blue. Chemical added to make the liquid change color.
Down
- 1. cylinder. Instrument used to accurately measure liquids.
- 2. A type of sugar used in the experiment.
- 3. Gas in the air that makes the liquid change
- 5. Device used to weigh chemicals.