Three different metal ribbon samples are added to separate beakers containing dilute sulfuric acid of the same concentration.
| Metal | Observation |
|---|---|
| Magnesium | Vigorous effervescence, the ribbon quickly disappears, and a significant temperature rise is recorded |
| Silver | No visible reaction occurs and the temperature remains constant |
| Iron | Gentle, continuous bubbling is observed |
Place these three metals in order of reactivity from most reactive to least reactive.
Most reactive: ______
Least reactive: ______
110 exam-style questions on Edexcel GCSE Chemistry 5.1 Obtaining and using metals, covering 5.1.1 The reactivity series of metals, 5.1.2 Displacement reactions as redox reactions, 5.1.3 Extracting metals from ores by reduction, 5.1.4 Biological methods of metal extraction, 5.1.5 Resistance to oxidation and recycling metals, and 5.1.6 Life cycle assessment. Each one has a worked solution and a mark scheme showing where the marks go.