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Which process generally occurs when oxygen is added to a substance?

Answer and explanation

Correct answer: Oxidation

The addition of oxygen to a substance is the classical definition of oxidation. For example, magnesium combines with oxygen to form magnesium oxide: 2Mg + O2 → 2MgO. Thus option B is correct. Reduction generally involves removal of oxygen or addition of hydrogen, while melting and filtration are physical processes and do not describe the chemical change caused by oxygen addition.

Related tags

ScienceClass10OxidationChemical-ReactionsOxygenChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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