Physics · Oct / Nov 2017 · Paper 21 · Question 3
5054
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Unwanted gold jewellery is heated in a furnace until it melts. Fig. 3.1 shows the liquid gold being poured into a mould to make a gold bar. Fig. 3.1 The melting point of gold is 1100 °C.
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3(a)[2]
3(b)(i)[2]
3(b)(ii)[2]
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