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प्रश्न
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
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उत्तर
Add concentrated hydrochloric acid to both the samples. Only MnO2 releases greenish yellow chlorine gas.
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संबंधित प्रश्न
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Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
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An amphoteric hydroxide
Give a chemical test to distinguish between the following pair of compounds:
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Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
