Question
Match column A and column B and choose the right code :
Column AColumn B
1. Removal of electron from any substance(a) Reduction
2. $\begin{array}{l}2 Na ( s )+ H _2(g) \longrightarrow 2 NaH ( s )\end{array}$(b) Both oxidant and reductant
3. Conversion of mercuric chloride to mercurous chloride.(c) Reduction of $H _2$
4. $H _2 O _2$(d) Oxidation

Answer

(1) (d), (2) (c), (3) (a), (4) (b).

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