Question

Name two reagents used during the laboratory preparation of oxygen and write an equation for this reaction.​

Answer 1

Step-by-step explanation:

To make oxygen in the laboratory, hydrogen peroxide is poured into a conical flask containing some manganese(IV) oxide. The gas produced is collected in an upside-down gas jar filled with water. As the oxygen collects in the top of the gas jar, it pushes the water out.