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प्रश्न
State whether the following statement is True or False.
Acidified K2Cr2O7 test comes positive for carbonate ion.
चूक किंवा बरोबर
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उत्तर
This statement is false.
Explanation:
The acidified K2Cr2O7 test comes positive for sulphite \[\ce{(SO^{2-}3)}\] or SO2 gas by turning from orange to green; it remains unaffected by the CO2 gas evolved from carbonated ions.
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