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 Chemistry Form 3 Sulphur and its Compounds Questions and Answers

(a) State the observation made at the end of the experiment when a mixture of iron powder and sulphur is heated in a test tube.
(b) Write an equation for the reaction between the product in (a) above and dilute hydrochloric acid
(c) When a mixture of iron powder and sulphur is heated, it glows more brightly than that of iron fillings and sulphur. Explain this observation.

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