10 minutes maximum! Can you do it in 5?
Q1-4 Select the correct gas. Which of the following gases ...
|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?|
Select the correct test for the gas which is produced ...
|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 ...