11th Class FSc Part 1 Chemistry Chapter Wise Online MCQ Test With Answer PDF

Chemistry Fsc Part 1 Online Test

Sr. #	Questions	Answers Choice
1	Which of the following mixtures of liquids show negative deviation	Methyl alcohol water Hydrochloric acid water Carbon di sulphide chloroform Chlorobenzene bromobenzene
2	Unit of mole fraction is	mol dm-3 mol kg-1 g dm-3 No unit
3	What amount of NaOH is required to prepare 500 g of 0.5 molal solution.	10 g 20 g 30 g 40 g
4	Which concentration unit is independent of temperature.	Molarity Molality ppm both a and b
5	In a solution 7.8 g of benzene and 46 g of toluene is present The mole fraction of benzene is.	1/2 1/3 1/5 1/6
6	The molarity of 2% w/v NaOH solution is	2 0.25 0.05 0.5
7	The sum of mole percent of all the components of solution is always equal to.	Unity 100 Less than one Less than 100
8	10 g of NaOH have been dissolved per kg of solvent The molality of solution.	0.25 m 0.5 m 1.0 m 2.0 m
9	10 g of NaOH has been dissolved per dm3 of solution. The molarity of solution is.	0.5 M 0.25 M 1 M 2 M
10	A solution of sucrose is 34.2% The volume of solution containing one mole of solute.	500 cm3 1000 cm3 342 cm3 3420 cm3
11	Colligative properties are the properties of.	Dilute solution which behave as nearly ideal solutions Concentrated solutions which behave as nearly non ideal solutions Both a and b Neither a nor b
12	The molal boiling point constant is the the ratio of the elevation in boiling point to.	Molarity Molality Mole fraction of solvent Mole fraction of solute
13	Two solutions of NaCl and KCl are prepared separately by dissolving same amount of the solute in water. Which of the following statements is true for these solution.	KCl solution will have higher boiling pint than NaCl solution Both the solutions have different boiling point KCl and NaCl solutions possess same vapour pressure KCl solution possesses lower freezing point than NaCl solution
14	Which of the following solution s has the highest boiling point.	5.85% solution of sodium chloride 18.0 % solution of glucose 6.0% solution of urea All have the same boiling point
15	In azeotropic mixture showing positive deviation from Raoult's law, the volume of the mixture is.	slightly more than the total volume of the components Slightly less than the total volume of the component Equal to the total volume of the components None of these
16	An azeotropic mixture of two liquids boils at lower temperature than either of them when.	It is saturated It shows positive deviation from Raoult's law It shows negative deviation from Raoult's law It is metastable
17	An aqueous solution of ethanol in water has vapour pressure.	Equal to that of water Equal to that of ethanol More than that of water Less than that of water

Download This Set