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P-1 Chemical reactions and equations — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Chemical reactions and equations1 Mark
Question
Why is potassium permanganate used during cleaning water tanks?
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Answer

Potassium permanganate is an oxidising agent. It oxidises dissolved iron, manganese and hydrogen sulphide into solid particles that are filtered out of the water tank. It is used to control iron bacteria growth in tank.

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