1) Zinc chloride  a) soluble b) insoluble 2) Barium sulphate a) soluble b) insoluble 3) Sodium nitrate a) soluble b) insoluble 4) Magnesium nitrate a) soluble b) insoluble 5) Aluminium carbonate a) soluble b) insoluble 6) Potassium chloride a) soluble b) insoluble 7) Lead(II) sulphate a) soluble b) insoluble 8) Calcium iodide a) soluble b) insoluble 9) Iron(II) sulphate a) soluble b) insoluble 10) Zinc carbonate a) soluble b) insoluble 11) What is the colour of copper(II) sulphate? a) blue b) green 12) What is the colour of lead(II) chromate (VI)? a) green b) yellow 13) We need to cool the solution to room temperature for crystallisation to occur. a) True b) False 14) We need to put excess carbonate powder into acid to prepare salt. a) True b) False 15) State the type of reaction used to prepare copper(II) carbonate. a) titration b) neutralisation c) double decomposition

6.9 Salt

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