PAPER 4 CHEM YEAR 11 EXAM

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2 1 Give the name of the process that is used: (a) to produce ammonia from nitrogen ............................................................................................................................................... [1] (b) to separate nitrogen from liquid air ............................................................................................................................................... [1] (c) to produce bromine from molten lead(II) bromide ............................................................................................................................................... [1] (d) to separate an undissolved solid from an aqueous solution ............................................................................................................................................... [1] (e) to produce amino acids from proteins ............................................................................................................................................... [1] (f) to separate a mixture of amino acids. ............................................................................................................................................... [1]  [Total: 6] © UCLES 2021 0620/41/M/J/21

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