Solutions

Bihar Board Class 12 · Chemistry · 38 past questions

25 of 38 · show all

1. Q1 2026 Set A2025 Set D

   An aqueous solution of which of the following compounds exhibits abnormal osmotic pressure ?

   Try it →
2. Q2 2026 Set A

   The elevation in boiling point produced by one molal solution of a solute in a solvent is called

   Try it →
3. Q6 2025 Set D

   Which of the following is not a colligative property ?

   Try it →
4. Q7 2025 Set D

   The solution which shows positive or negative deviation from Raoult's law is called

   Try it →
5. Q8 2025 Set D

   Isotonic solutions have equal

   Try it →
6. Q9 2024 Set D

   Isotonic solutions have the same

   Try it →
7. Q10 2024 Set D

   An azcotropic mixture of HCl and $H_2O$ has

   Try it →
8. Q11 2024 Set D

   Which of the following modes of expressing concentration of a solution does not depend upon temperature ?

   Try it →
9. Q13 2024 Set D

   The osmotic pressure of a solution is represented by which of the following equations ?

   Try it →
10. Q14 2023 Set F

    Which of the following is not an ideal solution ?

    Try it →
11. Q15 2023 Set F

    Which of the following can pass through semi-permeable membrane ?

    Try it →
12. Q16 2023 Set F

    If 18 g of glucose is dissolved in 1000 g of solvent, then the solution is said to be

    Try it →
13. Q19 2022 Set E

    An example of colligative property of a solution is

    Try it →
14. Q20 2022 Set E

    The number of moles of solute per kg of solvent is called

    Try it →
15. Q21 2022 Set E

    Solutions which boil at a constant temperature without any change in composition is called

    Try it →
16. Q23 2021 Set A

    Which is not affected by temperature ?

    Try it →
17. Q24 2021 Set A

    Which one of the following is a colligative property?

    Try it →
18. Q25 2021 Set A

    The van't Hoff factor of Ca(NO$_3$)$_2$ is

    Try it →
19. Q26 2021 Set A

    gram of caustic soda ( molar mass = 40 ) is dissolved in water and solution is made to 200 cm$^3$. Calculate…

    Try it →
20. Q29 2018

    Why does vapour pressure of a liquid decrease with addition of a non-volatile solute?

    Try it →
21. Q31 2017

    A Solution has an osmotic pressure of 0.0821 atm. At 300 k. Its concentration would be-

    Try it →
22. Q32 2017

    Azeotropic misture of HCL and $H_2O$ has-

    Try it →
23. Q35 2015

    If 2g of NaOH is present in 200ml of its solution, its molarity will be

    Try it →
24. Q36 2015

    The osmotic pressure of sugar solution is 2.46 atm at $27^0$C. Calculate the concentration of the solution.

    Try it →
25. Q37 2015

    How is molarity of a solution different from molality?

    Try it →