Answer & Solution
Answer: Option A
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32. Which one of the following substances is not a mixture?
33. Which one of the following is not applicable to the phenomenon of adsorption?
34. Which of the following colloidal solution is commonly used as germ killer?
35. Gelatin is a lyophilic colloid. It is mostly used in making ice-creams in order to
36. Which is a natural colloid?
37. Which of the following is a heterogeneous mixture?
38. Soil is an example of which of the following?
39. Which of the following is an example of colloidal solution of liquid in solid?
40. Assertion (A) In osmosis, solvent molecules pass through a semipermeable membrane from a more dilute solution to a more concentrated one, when these two are separated by the semi-permeable membrane.
Reason (R) The vapour pressure of the solvent over the dilute solution is less than that over the concentrated solution.
Reason (R) The vapour pressure of the solvent over the dilute solution is less than that over the concentrated solution.