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InterviewSolution
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All of the following processes involve a separation of either a mixture into its components, or a compound into elements. For each, decide whether a physical process or a chemical reaction is required a) sodium metal is obtained from the substance sodium chloride b) iron fillings are separated from sand by using a magnet c) sugar crystals are separated from sugar syrup by evaporation of water d) fine crystals of silver chloride are separated from a suspension of the crystals in water e) copper is produced when zinc metal is placed in a solution of copper (II) sulphate, a compoundPhysical processesChemical processes 1) a, b, cd, e 2) a, db, c, e 3) b, c, da, e 4) ea, b, c, d |
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(3)
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