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← CBSE Class 12 PYQ
Solutions
CBSE Class 12 · Chemistry · 29 past questions
Topic
Osmosis and osmotic pressure
2
Vapour pressure and Raoult's law
2
Abnormal molar mass and van't Hoff factor
0
Boiling point elevation and freezing point depression
0
Concentration and solubility of gases
0
Non-ideal solutions and azeotropes
0
Level
Easy
5
Moderate
4
Year
2026
1
2025
3
2024
4
2023
2
4 of 29 ·
show all
Q15
2024
A 6% solution of glucose (molar mass = 180 g mol⁻¹) is isotonic with 2.5% solution of an unknown organic…
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Q16
2024
The vapour pressure of a solvent at 283 K is 100 mm Hg. Calculate the vapour pressure of a dilute solution…
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Q17
2024
A 1% solution of solute 'X' is isotonic with a 6% solution of sucrose (molar mass = 342 g mol^-1). The molar…
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Q19
2024
A solution is prepared by dissolving 5 g of a non-volatile solute in 200 g of water. It has a vapour pressure…
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