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.

Test Yourself

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

 Multiple Choice QuestionsTrue Or False

181. The correct order of increasing vapour pressure of 0.1 m aqueous solution of glucose, NaCl and magnesium chloride is glucose < NaCl < magnesium chloride.

A.

False

153 Views

182. Molality is expressed in moles/kg.

A.

False

128 Views

183. Molal depression constant depends upon the nature of the solvent.

A.

True

180 Views

 Multiple Choice QuestionsMultiple Choice Questions

Advertisement

184. Molality is expressed in
  • Grams/litre
  • Litres / moles
  • Moles/litre
  • Moles / kg


D.

Moles / kg
183 Views

Advertisement
Advertisement
185. Which of the following liquid pairs will show positive deviation from Raoult’s law?
  • water-hydrochloric acid
  • water-nitric acid
  • acetone chloroform
  • Benzene-methanol.
350 Views

186. Increasing the temperature of an aqueous solution will cause.
  • decrease in molarity
  • decrease in molality
  • decrease in mole fraction

  • decrease in % (w / W)
142 Views

187. When mango is placed in aqueous solution of hydrochloric acid, it
  • Shrinks
  • Swells
  • Bursts
  • Nothing happens
173 Views

188. Which of the following does not show positive deviation from Raoult’s low?
  • Benzene-chlorofrom
  • Benzene-acetone
  • Benzene-ethanol
  • Benzene-carbon tetrachloride
243 Views

Advertisement
189.

Depression in freezing point is directly proportional to

 

  • mole fraction of the solution
  • molarity of the solution
  • molality of the solution.
  • molality of the solvent.
236 Views

190. Van’t Hoff factor for an electrolyte is 
  • > 1
  • < 1
  • = 1
  • none of the above
154 Views

Advertisement