Question

Hydrogen peroxide (H2O2) is used as bleaching agent and as a source of oxygen.
(a) What is a bleaching agent?/4mark
(b) Write a balanced equation for the production of oxygen from hydrogen peroxide.
/2marks
(c) The decomposition of oxygen is very slow at room temperature, suggest two ways of
speeding up the decomposition /2marks

Answer 1

Answer:

Explanation:

a) A bleaching agent is a material that lightens or whitens a substrate through chemical reaction.

b) 2 H2O2 → 2 H2O + O2

c) by increasing temperature & using a

catalyst