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Q. The statements which refer to 'oxidation' are
i. Addition of oxygen
ii. Addition of electropositive element
iii. Removal of oxygen iv. Removal of hydrogen
v. Addition of electronegative element
vi. Loss of electrons
vii. Oxidation number of the element decreases

NTA AbhyasNTA Abhyas 2022

Solution:

Statements i, iv, v and vi represent oxidation.