\(K _2 Cr _2 O _7\) paper acidified with dilute \(H _2 SO _4\) turns green when exposed to [JEE Main 2023, 24 Jan (Shift…
Q1
\(K _2 Cr _2 O _7\) paper acidified with dilute \(H _2 SO _4\) turns green when exposed to
[JEE Main 2023, 24 Jan (Shift 2)]
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