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प्रश्न
Give a chemical test to distinguish between the following pair of compounds:
Carbon dioxide gas and sulphur dioxide gas
फरक स्पष्ट करा
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उत्तर
Carbon dioxide gas has no effect on acidified KMnO4 or K2Cr2O7, but sulphur dioxide turns potassium permanganate from pink to colourless.
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Standard Temperature Pressure (S.T.P.)
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