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1 markUses of Metals

CSEC Chemistry · January 2009 · Paper 2 · Question 3(e)(i)

Copper and other metals are often combined to form alloys.

State ONE reason why metals are often combined with others to form alloys.

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Other parts of this question

  1. 3(a)Arrange Metals A, B, D and E in order of reactivity with the MOST reactive FIRST.[2 marks]
  2. 3(b)Write an ionic equation to represent the reaction between Metal B and dilute nitric acid.[2 marks]
  3. 3(c)(i)Write an equation to represent the action of heat on the hydroxide of Metal A.[2 marks]
  4. 3(c)(ii)How would the effect of heat on the hydroxides of Metals A, B and D differ from the effect of heat on the hydroxide of Metal E?[2 marks]
  5. 3(d)With reference to their positions in the reactivity series, suggest a suitable method of extraction of Metals A and E. Give a reason for your answer in EACH…[4 marks]
  6. 3(e)(ii)Name ONE alloy of copper and state the metals used to make it.[2 marks]

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