ConceptMetals and Nonmetals - Chemical Properties of Metals - When Metals React with Acids
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Question
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
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Similar questions
Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows.
| Metal | Iron (II) sulphate | Cooper (II) sulphate | Zinc sulphate | Silver nitrate |
| A. | No reaction | Displacement | ||
| B. | Displacement | No reaction | ||
| C. | No reaction | No reaction | No reaction | Displacement |
| D. | No reaction | No reaction | No reaction | No reaction |
Use the Table above to answer the following questions about metals A, B, C and D.
(i) Which is the most reactive metal?
(ii) What would you observe if B is added to a solution of copper (II) sulphate?
(iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.