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CHEMISTRY · Subjective · GCSE · Chemistry · Chemical Analysis · Chemical Analysis

Problem

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(a) Gas evolved by the action of dilute $\text{H}_2\text{SO}_4$ on a sulphite<br>(b) Gas evolved by the action of dilute $\text{H}_2\text{SO}_4$ on a carbonate<br>(c) Gas evolved by heating an ammonium salt with $\text{NaOH}$ <br>(d) Gas evolved by the action of dilute $\text{H}_2\text{SO}_4$ on a sulphide	(p) Colour of acidified $\text{KMnO}_4$ is discharged<br>(q) Acidified dichromate solution is turned green<br>(r) Nessler's reagent gives a brown precipitate<br>(s) Baryta water turns milky<br>(t) Alkaline nitroprusside turns violet