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Question
State one characteristic of the chemical reaction which takes place when lemon juice is added gradually to the potassium permanganate solution.
Very Short Answer
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Solution
Lemon juice (contains citric acid) changes the purple colour of potassium permanganate solution to a colourless solution. Hence, this reaction is characterised by a change in colour.
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Chapter 1: Chemical Reactions and Equations - Exercise 1 [Page 31]
