name a black insoluble compound which on reacting with HNO3 turns into blue solution.
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Hey!!!
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Cu(s) + 4HNO3(aq) ——> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l)
Cu metal on reacting with HNO3 turns dark brown to pale blue colour......
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Hope it helps!!!!!:)
___________________________
Cu(s) + 4HNO3(aq) ——> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l)
Cu metal on reacting with HNO3 turns dark brown to pale blue colour......
___________________________
Hope it helps!!!!!:)
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