Multiple choice

In lab method, which substance is used as a raw material with catalyst MnO2 for the preparation of oxygen?

  1. Potassium chlorate

  2. Potassium chlorite

  3. Potassium perchlorate

  4. Potassium chloride

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

Potassium chlorate, when heated in the presence of catalyst manganese dioxide, gives oxygen.