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प्रश्न
Sulphur dioxide changes the colour of potassium permanganate to:
पर्याय
pink
orange
green
none of these
MCQ
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उत्तर
None of these
Explanation:
Sulphur dioxide (SO2) is a reducing agent that decolourizes the pink/purple solution of potassium permanganate (KMnO4), making it completely colourless.
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