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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
5
Moderate
1
Year
2026
0
2025
1
2024
2
2023
1
2022
1
2021
0
2018
0
2017
1
2016
0
2015
0
6 of 38 ·
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Q7
2025 Set D
The solution which shows positive or negative deviation from Raoult's law is called
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Q10
2024 Set D
An azcotropic mixture of HCl and $H_2O$ has
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Q12
2024 Set D
Which of the following show positive deviation from Raoult's law ?
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Q14
2023 Set F
Which of the following is not an ideal solution ?
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Q21
2022 Set E
Solutions which boil at a constant temperature without any change in composition is called
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Q32
2017
Azeotropic misture of HCL and $H_2O$ has-
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