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The table shows the melting points and boiling points of four elements.
When answering the questions below, you may give the name of an element more than once.
Which element in the table is:
(i) a liquid at 0°C? ( aluminium, mercury, iron, magnesium )
(ii) a solid at 1500°C? ( aluminium, mercury, iron, magnesium )
(iii) a gas at 500°C? ( aluminium, mercury, iron, magnesium )
(iv) a liquid over the biggest temperature range? ( aluminium, mercury, iron, magnesium )