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← Bihar Board Class 12 PYQ
Surface Chemistry
Bihar Board Class 12 · Chemistry · 30 past questions
Topic
Adsorption
1
Adsorption isotherms
0
Catalysis
0
Classification of colloids
0
Emulsions and soaps
0
Properties of colloids
0
Purification and preparation of colloids
0
Level
Easy
1
Moderate
2
Year
2026
7
2025
3
2024
4
2023
3
2022
3
2021
5
2018
1
2017
1
2016
1
1 of 30 ·
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Q26
2018
Which gas is absorbed strongly by charcoal?
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