Technicals June 2018 Final Examination

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GCE Chemistry A

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H032/02 Mark scheme June 2018 6 Question Answer Marks Guidance 1 (a) A solution of known concentration 1 ALLOW description of concentration 1 (b) – Releases OH –(ions in aqueous solution) 1 ALLOW containing OH ions IGNORE mention of pH 1 (c) (i) Final reading/cm3 27.30 27.00 27.75 Initial reading/cm3 0.45 0.60 1.25 Titre/cm3

June, 2018, Final, June 2018

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June 2018, Final