What is the nature of the white powder formed when magnesium burns?
Answer and explanation
Correct answer: Basic oxide
Magnesium burns in oxygen to form white magnesium oxide: \(2Mg + O_2 \rightarrow 2MgO\)। MgO is a basic oxide and can react with water to form basic magnesium hydroxide: \(MgO + H_2O \rightarrow Mg(OH)_2\)। In contrast, an amphoteric oxide reacts with both acids and bases, whereas MgO is not generally classified as amphoteric.
Frequently asked questions
What is the correct answer to this question?
Basic oxide
Why is this the correct answer?
Magnesium burns in oxygen to form white magnesium oxide: \(2Mg + O_2 \rightarrow 2MgO\)। MgO is a basic oxide and can react with water to form basic magnesium hydroxide: \(MgO + H_2O \rightarrow Mg(OH)_2\)। In contrast, an amphoteric oxide reacts with both acids and bases, whereas MgO is not generally classified as amphoteric.
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.
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
