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Sulfur dioxide gas turns acidified
potassium dichromate(VI) solution from orange to green.
Chromium is reducedfrom (VI) to (III). potassium sulfur sulfuric chromium(III) potassium
dichromate(VI) + dioxide + acid sulfate + sulfate + water.

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8y ago
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14y ago

sulphur dioxide, SO2

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Q: Which gas turns K2Cr2O7 paper from orange to green with chemical equation?
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