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8 July, 07:44

What is the reaction that happened between the acidified dichromate paper and the gas sulphur dioxide and what is the name of the compound that has the blue colour?

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  1. 8 July, 11:11
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    Sulphur dioxide gas changes acidifed Potassium Dichromate solution from orange to green. Chemical reaction: Sulphur dioxide reacts with acidified potassium Dichromate solution to give Chromium Sulphate, Poatssium sulphate and water.
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