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3 marksUses of Metals

CSEC Chemistry · January 2008 · Paper 2 · Question 5(a)(ii)

Stainless steel and duralumin are common alloys used in industry.

State how the properties of alloys are altered when compared to those of the starting materials from which they are made. Explain your answer.

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Other parts of this question

  1. 5(a)(i)a)Name the MAIN components of EACH of the following: Stainless steel[2 marks]
  2. 5(a)(i)b)Name the MAIN components of EACH of the following: Duralumin[1 mark]
  3. 5(b)(i)a)Suggest ONE property in EACH case that allows lead to be used as a component in solder[2 marks]
  4. 5(b)(i)b)Suggest ONE property in EACH case that allows lead to be used as protection against X-rays.[1 mark]
  5. 5(b)(ii)a)List TWO sources of lead as a pollutant.[3 marks]
  6. 5(b)(ii)b)Name ONE effect that lead as a pollutant has on the environment.[1 mark]
  7. 5(c)Complete Table 3 below by writing the chemical formula for ONE oxide of EACH of the elements and give an example of the use of the oxide in industry.[6 marks]

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