| (i) Sulphur dioxide |
| (ii) Hydrogen peroxide |
| (iii) Ozone |
A) 1 and 3
B) 2 and 3
C) 1 and 2
D) 1, 2 and 3
Correct Answer: D
Solution :
\[\text{S}{{\text{O}}_{\text{2}}}\text{,}{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]and \[{{\text{O}}_{\text{3}}}\] all act as bleaching agent.
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