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← Bihar Board Class 12 PYQ
Solutions
Bihar Board Class 12 · Chemistry · 38 past questions
Topic
Colligative properties and boiling/freezing point
10
Concentration terms
8
Osmosis and osmotic pressure
7
Ideal and non-ideal solutions
6
Abnormal molecular mass and van't Hoff factor
4
Vapour pressure and Raoult's law
3
Level
Easy
1
Moderate
2
Year
2026
1
2025
0
2024
0
2023
0
2022
0
2021
0
2018
1
2017
0
2016
0
2015
1
3 of 38 ·
show all
Q3
2026 Set A
Aqueous solution of which of the following will have lowest vapour pressure ?
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Q29
2018
Why does vapour pressure of a liquid decrease with addition of a non-volatile solute?
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Q38
2015
Discuss Raoult's law of relative lowering of vapour pressure.
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