When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas is evolved gas intensified when copper turning were added to this test tubes on cooling the gas change the into a colourless solid we identify a and b a y the structure of a and b why does gas a change to solid on cooling?
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When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas is evolved gas intensified when copper turning were added to this test tubes on cooling the gas change the into a colourless solid we identify a and b a y the structure of a and b why does gas a change to solid on cooling?
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