Chemistry µGCSE:
Gas Analysis
10 quick questions - for GCSE and iGCSE
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10 minutes maximum! (can you do it in 5?)
Q1-4 Select the correct gas. Which of the following gases... |
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| 1. relights a glowing splint? | |
| 2. turns limewater milky? | |
| 3. bleaches damp blue litmus paper white? | |
| 4. ignites with a pop when a burning splint is applied | |
Q5-9:
Select the correct test for the gas which is produced …. |
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| 5. …..during the complete combustion of a fuel. | |
| 6. ….when zinc reacts with hydrochloric acid. | |
| 7. …during the catalytic decomposition of hydrogen peroxide. | |
| 8. ……when sodium metal reacts with water. | |
| 9. …..during the electrolysis of molten zinc chloride. | |
10. An unknown compound was added to acid and produced a gas which turned limewater milky. The compound could be ….
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