Across
- 3. The test for hydrogen gas using a lit splint.
- 4. A chemical change observed during a gas test.
- 7. What a glowing splint does in oxygen.
- 8. Used to test for hydrogen; produces a pop sound.
- 9. Reaction that occurs when hydrogen is ignited.
- 10. Gas that turns limewater milky.
- 11. Gas that makes a squeaky pop with a lit splint.
Down
- 1. Gas that relights a glowing splint.
- 2. Used to test for oxygen; relights in presence of the gas.
- 5. A method for identifying common gases using physical or chemical changes.
- 6. A solution used to test for carbon dioxide; turns cloudy if CO₂ is present.
- 9. Description of limewater after carbon dioxide is added.