`{:("colourless salt A",overset(NaOH,Delta)rarr,B("gas")),(darrCaCl_
Channel: Doubtnut
Date: 12/04/2020

`{:("colourless salt A",overset(NaOH,Delta)rarr,B("gas")),(darrCaCl_(2)"solution",,),(C"whiteppt",,):}`   B gives white fumes with HCl, C decolourises acidified `KMnO_(4)`. What is A?