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Further Information   more than one answer = 0 marks   each correct column = 1 mark























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                                                                                                                Page 13 of 14
                                 insoluble   materials      gold      hydrogen      iron      marble      mercury      paraffin



                  Answer                                                       does it have a high or a low melting point?




                                 soluble   materials      carbon dioxide     magnesium   sulfate   is it solid, liquid or a gas?








                       iron














                  Question                                                                                      © UCLES 2018




                       18(a)    18(b)                                    18(c)
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