Multiple choice

Magnesium, when burnt in the presence of oxygen, forms a new product. Which of the following statements is/are false regarding the chemical reaction that took place?

a. On burning in air, magnesium formed magnesium oxide. b. The change that took place was permanent and irreversible. c. No heat or light was evolved.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. Heat and light were evolved when magnesium burnt in air to form magnesium oxide.

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