Question

pls tell any one
oxidation or reduction?​

Answer 1

Explanation:

1) OXIDATION

2) OXIDATION

3) REDUCTION

4) REDUCTION

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Answer 2

loss in electron oxidation.

gain in electron reduction.

so in oxidation if electron decrease charge will increase and in reduction charge decrease.

in 1

$o + 2e - = o2 -$

because gain in electron =decrease in charge.

is eg of reduction.and all in above also 2 also reduction, 3and 4 oxidation.