


ICSE /Class 9
Chemistry MCQ Based On Oxidation and reduction reactions
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ICSE Class 9 Chemistry Oxidation and reduction reactions
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Oxidation is a chemical reaction in which a molecule, atom or ion loses electrons.
If one substance is oxidised, the other substance must necessarily be reduced.
Redox reactions are comprised of two parts, a reduced half and an oxidized half, that always occur together. The reduced half gains electrons and the oxidation number decreases, while the oxidized half loses electrons and the oxidation number increases.
Redox reactions are comprised of two parts, a reduced half and an oxidized half, that always occur together. The reduced half gains electrons and the oxidation number decreases, while the oxidized half loses electrons and the oxidation number increases.
Recall the meaning of each term.
Redox reactions are comprised of two parts, a reduced half and an oxidized half, that always occur together. The reduced half gains electrons and the oxidation number decreases, while the oxidized half loses electrons and the oxidation number increases.
The substance which brings out oxidation is called the oxidizing agent.
Reduction is the loss of oxygen
Ionization is the process by which ions are formed by gain or loss of an electron from an atom or molecule.
Recall the process of oxidation and reduction.

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