477524
| Question | Answer |
| Oxygen |
Image:
oxygen (image/png)
|
| Made by..? | Decomposition of hydrogen peroxide using a manganese dioxide catalyst. |
| Test..? | Glowing splint |
| Result..? | Splint relights |
| Hydrogen |
Image:
hydrogen (image/png)
|
| Made by..? | Reacting a reactive metal (e.g. magneseum) with acid. |
| Test..? | Lit flame |
| Result..? | gas burns with a squeaky pop (to produce water) |
| Carbon dioxide |
Image:
carbon_dioxide (image/png)
|
| Made by..? | A) reaction of a metal carbonate with acid or.. B) thermal decomposition of a metal carbonate |
| Test..? | bubble the gas through limewater |
| Result..? | Lime water turns milky |
| Ammonia |
Image:
ammonia (image/png)
|
| Test..? | Damp red litmus paper |
| Result..? | Litmus paper turns blue |
| Chlorine |
Image:
chlorine (image/png)
|
| Test..? | Damp litmus paper |
| Result..? | Litmus paper is bleached white |
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