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REAGENTS:
(i.) Red and Blue Litmus Paper.
(ii.) Aqueous Ammonia.
(iii.) Dilute Hydrochloric.
(iv.) Barium Chloride Solution
(v.) Dilute trioxonitrate(V) acid
APPARATUS:
*Glass rod.
*Filtration paper.
*Spatula.
*Two boiling tubes.
*Four test tubes.
*Methyl Orange indicator.
*Wash Bottle containing distilled/deionized water.
*Mathematical table/calculator.
+Each candidate should be supplied with the following, where 'n' is the candidate's serial number.
(a.) 150cm3 of tetraoxosulphate(VI) solution in a corked flask or bottle, labelled 'An'.
These should all be the same containing 5.5cm3 of concentrated H2SO4 per dm3 of solution.
(b.) 150cm3 KOH solution, in acorked flask or bottle labelled 'Bn'.
These should be same containing 5.6g of KOH per dm3 of solution.
(c.) One spatulaful: (NH4)2SO4.FeSO4.6H2O in a specimen bottle labelled 'Cn'.
This must be same for all candidates.
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