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 Chemistry Form 3 Sulphur and its Compounds Questions and Answers

In an experiment to study the properties of concentrated sulphuric (VI) acid, a mixture of the acid and wood charcoal was heated in a boiling tube.
(a) Write the equation of the reaction that took place in the boiling tube.
(b) Using the oxidation numbers, show that reduction and oxidation reactions took place in the boiling tube.

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