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Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations1 Mark
MCQ
An acid which can decolourise purple coloured potassium permanganate solution is :
  • A
    Sulphuric acid.
  • ✓
    Citric acid.
  • C
    Carbonic acid.
  • D
    Hydrochloric acid.
✓

Answer

Correct option: B.
Citric acid.
Reaction of purple $-$ coloured potassium permanganate with citric acid is characterised by change in colour from purple to colourless.

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