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Question

Match List I and List II and select the correct answer by using the codes given below.
List I List II
A. Silver bromide 1. Etching of glass
B. Hydrogen peroxide 2. Purification of air
C. Ozone 3. Bleaching agent
D. Hydrofluoric acid 4. photography

A
4 3 2 1
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B
1 3 2 4
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C
4 2 1 3
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D
2 1 3 4
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Solution

The correct option is A 4 3 2 1

Option: (a)


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