Solutions Chemistry Mock Test – 1 :15Q. Solutions Chemistry Mock Test, NEET Chemistry Chapter Wise Mock Test – Solutions, Online Test Class 12 Chemistry The Solutions, Solutions free mock tests for NEET, Online mock tests JEE Chemistry Solutions
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12th C02 Solutions Chemistry Mock Test - 1 [Done]
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Topic: Solutions Chemistry Mock Test , Test No.: 01, Total MCQs: 15
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- Question 1 of 15
If 2 gm of NaOH is present is 200 ml of its solution, its molarity will be
- Question 2 of 15
A 5% solution of cane-sugar (molecular weight = 342) is isotonic with 1% solution of substance A. The molecular weight of X is
- Question 3 of 15
234.2 gm of sugar syrup contains 34.2 gm of sugar. What is the molal concentration of the solution.
- Question 4 of 15
The law which indicates the relationship between solubility of a gas in liquid and pressure.
(a) Raoult’s law
(b) Henry’s law
(c) Lowering of vapour pressure
(d) Van’t Hoff law
- Question 5 of 15
Which of the following solutions shows positive deviation from Raoult’s law?
(a) Acetone + Aniline
(b) Acetone + Ethanol
(c) Water + Nitric acid
(d) Chloroform + Benzene
- Question 6 of 15
The system that forms maximum boilingazetrope is
(d) carbon disulphide-acetone
- Question 7 of 15
A plant cell shrinks when it is kept in a
(a) hypotonic solution
(b) hypertonic solution
(c) isotonic solution
(d) pure water
- Question 8 of 15
The relative lowering in vapour pressure is proportional to the ratio of number of
(a) solute molecules to solvent molecules
(b) solvent molecules to solute molecules
(c) solute molecules to the total number of molecules in solution
(d) solvent molecules to the total number of molecules in solution
- Question 9 of 15
A solution containing 10.2 g glycerine per litre is isotonic with a 2% solution of glucose. What is the molecular mass of glycerine?
(a) 91.8 g
(b) 1198 g
(c) 83.9 g
(d) 890.3 g
- Question 10 of 15
What weight of glycerol should be added to 600 g of water in order to lower its freezing point by 10°C ?
(a) 496 g
(b) 297 g
(c) 310 g
(d) 426 g
- Question 11 of 15
The osmotic pressure of a solution can be increased by
(a) increasing the volume
(b) increasing the number of solute molecules
(c) decreasing the temperature
(d) removing semipermeable membrane
- Question 12 of 15
Sprinkling of salt helps in clearing the snow covered roads in hills. The phenomenon involved in the process is
(a) lowering in vapour pressure of snow
(b) depression in freezing point of snow
(c) melting of ice due to increase in temperature by putting salt
(d) increase in freezing point of snow
- Question 13 of 15
For carrying reverse osmosis for desalination of water the material used for making semipermeable membrane is
(a) potassium nitrate
(b) parchment membrane
(c) cellulose acetate
(d) cell membrane
- Question 14 of 15
What will be the degree of dissociation of 0.1 M Mg(NO3)2 solution if van’t Hoff factor is 2.74?
- Question 15 of 15
Which of the following units is useful in relating concentration of solution with its vapour pressure?
(a) Mole fraction
(b) Parts per million
(c) Mass percentage
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