Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

51. Define Raoult’s law?

183 Views

52. Why is the osmotic pressure measurement preferred for determining molecular mass of proteins?

1905 Views

53. Why does the boiling point of a solvent increase by the presence of a solute in it?

113 Views

54. A deci-molar solution of K₄ [Fe(CN)₆] is 50% dissociated at 300 K. Calculate the osmotic pressure of solution (R = 0.082)/L atm K^–1)?

1573 Views

55. Why is osmotic pressure considered a colligative property?

1069 Views

56. Why is an increase in temperature observed on mixing chloroform with acetone?

439 Views

57. What are the units of molal elevation constant?

298 Views

58. The observed boiling point of mixture of two volatile liquids is more than that calculated. What type of deviation is noticed?

142 Views

59.

Why is CaCl₂ used to remove snow on roads?

154 Views

60. Why is freezing point depressed when a non-volatile solute is added?

135 Views