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Two metals which will liberate hydrogen from water. (b) One metal which is used to prepare hydrogen gas in the laboratory.
Materials: Metals and Non-Metals
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16/04/2021 12:16 pm
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From among the set of metals - sodium, zinc, iron, copper, silver, select the following giving equations for each reaction :
(a) Two metals which will liberate hydrogen from water.
(b) One metal which is used to prepare hydrogen gas in the laboratory.
(c) One metal which will displace copper from copper sulphate solution.
(d) One metal which will not displace copper from copper sulphate solution.
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16/04/2021 12:23 pm
(a) (i) 2Na + 2H2O → 2NaOH + H2
(ii) Zn + H2O → ZnO + H2
(b) Zn + H2SO4 → ZnSO4 + H2
(c) Fe + CuSO4 → FeSO4 + Cu
(d) Ag + CuSO4 → No reaction
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