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If substance A loses oxygen and substance B loses hydrogen which processes occur respectively?

Answer and explanation

Correct answer: Reduction and oxidation

Removal of oxygen from a substance is reduction, so substance A undergoes reduction. Removal of hydrogen is oxidation, so substance B undergoes oxidation. Therefore, the correct sequence is reduction and oxidation. Option B gives the two processes in reverse order. Exam tip: Addition of oxygen or removal of hydrogen indicates oxidation.

Related tags

Class 10 ScienceChemical ReactionsRedox ReactionsOxidationReductionChemical Equations

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