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← Bihar Board Class 12 PYQ
Surface Chemistry
Bihar Board Class 12 · Chemistry · 30 past questions
Topic
Classification of colloids
10
Adsorption
7
Catalysis
4
Emulsions and soaps
2
Adsorption isotherms
1
Properties of colloids
1
Purification and preparation of colloids
1
Level
Easy
7
Moderate
1
Year
2026
1
2025
1
2024
0
2023
1
2022
1
2021
2
2018
1
2017
0
2016
0
7 of 30 ·
show all
Q1
2026 Set A
The volumes of gases $H_2$, $CH_4$, $CO_2$ and $NH_3$ adsorbed by 1 g of charcoal at 288 K are in the order
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Q9
2025 Set D
Which of the following adsorptions forms multimolecular layer ?
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Q18
2023 Set F
The highest volume of which of the following gases would be adsorbed by 1 g of charcoal at 298 K ?
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Q20
2022 Set E
The rate of chemisorption
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Q23
2021 Set A
How many layers are involved in chemical adsorption ?
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Q25
2021 Set A
In physical adsorption the approximate heat energy evolved in kJ/mol is
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Q26
2018
Which gas is absorbed strongly by charcoal?
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