What generally happens during oxidation?
Answer and explanation
Correct answer: Oxygen is added
A common definition of oxidation is the addition of oxygen to a substance, so option A is correct. For example, magnesium reacts with oxygen to form magnesium oxide. In contrast, removal of oxygen or addition of hydrogen indicates reduction; the oxidation number also decreases during reduction.
Frequently asked questions
What is the correct answer to this question?
Oxygen is added
Why is this the correct answer?
A common definition of oxidation is the addition of oxygen to a substance, so option A is correct. For example, magnesium reacts with oxygen to form magnesium oxide. In contrast, removal of oxygen or addition of hydrogen indicates reduction; the oxidation number also decreases during reduction.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.