Three different metals are added to separate test tubes containing dilute hydrochloric acid.
| Metal | Observation |
|---|---|
| Copper | No bubbles are seen and no temperature change occurs |
| Calcium | Rapid bubbling and the mixture gets very warm |
| Zinc | Slow, steady bubbling |
Place these three metals in order of reactivity from most reactive to least reactive.
Most reactive: ______
Least reactive: ______
Practise Edexcel GCSE Chemistry Obtaining and using metals with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.