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Match the items given in Column I with the type of solutions given in Column II.

Column I Column II
A. Soda water 1. A solution of gas in solid
B. Sugar solution 2. A solution of gas in liquid
C. German silver 3. A solution of solid in liquid
D. Hydrogen gas in palladium 4. A solution of solid in solid

Codes:

A B C D
1. 2 1 4 3
2. 1 2 3 4
3. 2 3 4 1
4. 4 1 3 2
Subtopic:  Concentration Terms & Henry's Law |
 92%
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Match the terms given in Column I with expressions given in Column II.

Column I (Term) Column II (Expression)
A. Mass percentage 1. Number of moles of the solute componentVolume of solution in litres
B. Volume percentage 2. Number of moles of the solute componentMass of solvent in kilograms
C. Molarity 3. Volume of the solute component in solutionTotal volume of solution×100
D. Molality 4. Mass of the solute component in solutionTotal Mass of solution×100

Codes:

A B C D
1. 2 3 4 1
2. 1 2 3 4
3. 1 4 3 2
4. 4 3 1 2
Subtopic:  Concentration Terms & Henry's Law |
 91%
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A 500 g toothpaste sample has 0.4 g fluoride concentration. The fluoride concentration in terms of ppm will be -

1. 200 ppm 2. 400 ppm
3. 500 ppm 4. 800 ppm
Subtopic:  Concentration Terms & Henry's Law |
 78%
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Amount of oxalic acid ((COOH)2.2H2O) in grams that is required to obtain 250 ml of a semi-molar solution is - 

1. 17.75 g 2. 17.00 g
3. 15.75 g 4. 15.00 g
Subtopic:  Concentration Terms & Henry's Law |
 73%
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The temperature dependent term among the following is -

1. Molality 2. Molarity
3. Mole fraction 4. Weight percentage
Subtopic:  Concentration Terms & Henry's Law |
 84%
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The density of H2SO4 solution is 1.84 g ml–1. In a 1 litre solution if H2SO4 is 93 % by (w/v) then the molality of the solution is -

1. 9.42 m 2. 10.42 m
3. 11.42 m 4. 12.42 m
Subtopic:  Concentration Terms & Henry's Law |
 55%
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If 22 g of benzene is dissolved in 122 g of CCl4, the mass percentage of CCl4 and benzene respectively are-

1. 15.28 %, 84.72 % 

2. 84.72 %, 15.28 %

3. 8.72 %, 91.28 %

4. 91.28 %, 8.72 %

Subtopic:  Concentration Terms & Henry's Law |
 67%
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What mass of urea is needed to prepare 2.5 kg of a 0.25 m aqueous solution?

1. 73 g 2. 37 g
3. 48 g 4. 24 g
Subtopic:  Concentration Terms & Henry's Law |
 80%
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The maximum amount of a solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon:

1. Temperature 2. Nature of solute
3. Pressure 4. Nature of solvent
Subtopic:  Introduction & Colligative properties |
 62%
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The unit that relates concentration of solution with its vapour pressure is: 
1. Mole fraction.
2. Parts per million.
3. Mass percentage.
4. Molality.

Subtopic:  Concentration Terms & Henry's Law |
 79%
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