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What is the simple meaning of reduction?

Answer and explanation

Correct answer: Removal of oxygen or addition of hydrogen

The governing concept is the classical meaning of reduction in a redox reaction. Reduction occurs when oxygen is removed from a substance or hydrogen is added to it. For example, removal of oxygen from a metal oxide can produce the metal. Hence option A is correct. Option B describes oxidation, whereas melting and gas bubbles may be physical or other reaction observations and do not define reduction.

Related tags

Class 10 ScienceReductionOxidationRedox ReactionsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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