The discovery of gold played a significant role in the economic development of South
Africa. In 1970 gold mining in South Africa contributed 68 per cent to global production.
10.1 Which TWO mining methods are used in South Africa? (2)
10.2 Give TWO reasons why mining is important for the South African economy. (2)
10.3 State TWO negative effects of mining, with respect to the environment. (2)
10.4 Most alloys of gold are used in jewellery and dentistry. The gold content in
jewellery is expressed in carat. The term indicates the number of parts of gold
present in each 24 parts of alloy.
10.4.1 Pure gold, which is 24 carat, is not used to make jewellery.
Give ONE reason why, referring to the properties of gold. (1)
10.4.2 Apart from gold being used in jewellery and dentistry, name ONE
other use of gold. (1)
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TOTAL: 150