Multiple choice

Why is it advantageous to use hydrogen peroxide than potassium chlorate for preparing oxygen in the lab method?

  1. As no heating is required, energy is saved.

  2. The evolution of oxygen can be controlled by regulating the tap of the dropping funnel.

  3. No catalyst is required, so it is a cheap process.

  4. Both (1) and (2)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Both reasons are correct.