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When concentrated sulphuric acid was added …

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When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown color gas (A) was evolved. This gas intensified when copper turning were added to this test tube. On cooling the gas (A) change into a colourless solid (B). Identity (A) and (B). Write chemical reaction involved.

Posted by Pratik Limbu 7 years, 10 months ago

CBSE > Class 12 > Chemistry

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