Solutions Chemistry MCQs For Job Test Preparation

1 - 1 molar solution of glucose in water contains weight of glucose

A. 180g/dm3

B. 170g/dm3

C. 190g/dm3

D. 195g/dm3

180g/dm3

2 - 10ml of alcohol dissolve in 90ml of water unit of concentration used is

A. % w/w

B. % w/v

C. % v/v

D. % v/w

% v/v

3 - Beckmanns apparatus is used to measure

A. boiling point elevation

B. depression in freezing point

C. lowering of vapour pressure

D. lowering of osmotic pressure

depression in freezing point

4 - Boiling point elevations can be measured by

A. Beckmanns method

B. Landsbergers method

C. Linds method

D. none of the above

Landsbergers method

5 - Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called

A. saturated solution

B. solubility

C. unsaturated solution

D. super saturated solution

solubility

6 - Enthalpy of a reaction can be measured by

A. glass calorimeter

B. manometer

C. Barometer

D. thermometer

glass calorimeter

7 - Enthalpy of combustion for food fuel and other compounds can be measured accurately by

A. glass calorimeter

B. bomb calorimeter

C. thermometer

D. manometer

bomb calorimeter

8 - Every sample of matter with uniform properties and fixed composition is called

A. solute

B. solvent

C. solution

D. phase

phase

9 - Homogeneous mixture of two or more than two compounds is called

A. solution

B. compound

C. radical

D. ion

solution

10 - Hydration is a process in which

A. Molecules are surrounded by solvent molecules

B. Ions are surrounded by solvent molecules

C. Both ions and molecules are surrounded by solvent molecules

D. Both ions and molecules are surrounded by water molecules

Both ions and molecules are surrounded by water molecules

11 - If the volume of solution is equal to sum of volumes of its all components then the solution

A. will be an ideal solution

B. will be non-ideal solution

C. will show deviations from Raoults law

D. both b & c

will be an ideal solution

12 - In partially miscible liquids the two layers are

A. saturated solutions of each liquid

B. unsaturated solutions of each liquid

C. normal solution of each liquid

D. no layer formation takes place

saturated solutions of each liquid

13 - Mixtures which distill over without change in composition called

A. zeotropic mixture

B. azeotropic mixture

C. amphoteric mixture

D. ideal solution

azeotropic mixture

14 - Number of moles in 1 kg of solvent is called

A. normality

B. molarity

C. molality

D. mole fraction

molality

15 - ppm means

A. parts of solute in 1000 parts of solvent

B. parts of solvent in 1000 parts of solute

C. parts of solute in one million parts of solution

D. parts of solvent in one million parts of solute

parts of solute in one million parts of solution

16 - Pumping of water uphill is

A. spontaneous process

B. non-spontaneous process

C. irreversible process

D. reversible process

non-spontaneous process

17 - Reaction in which heat evolves is called

A. endothermic

B. spontaneous

C. non-spontaneous

D. exothermic

exothermic

18 - Solubility of KCIO3 gives

A. continuous and falling solubility curve

B. discontinuous and falling solubility curve

C. continuous and rising solubility curve

D. discontinuous and rising solubility curve

continuous and rising solubility curve

19 - Solution of Na2SO4 will be

A. basic

B. acidic

C. neutral

D. cannot be presicted without data

neutral

20 - Solution with maximum concentration of solute at given temperature is called

A. Super saturated solution

B. unsaturated solution

C. saturated solution

D. dilute solution

saturated solution

21 - State function the macroscopic property of system depends upon

A. path of reaction

B. initial state

C. final state

D. initial and final state

initial and final state

22 - The component of solution which is in smaller amount is called

A. solvent

B. solute

C. phase

D. ion

solute

23 - The compounds in which water molecules are added are called

A. Hydrated ions

B. double salts

C. hydrates

D. complexes

hydrates

24 - The determination of correct molecular weight from Raoults law is applicable to

A. a volatile solute in dilute solution

B. a non-electrolyte & non volatile solute in concentrated solution

C. a non-electrolyte & non volatile solute in concentrated solute

D. non volatile solute in a dilute solution

non volatile solute in a dilute solution

25 - The molal boiling point constant is the ration of the elevation of boiling point to

A. Molarity

B. Molality

C. More fraction of solvent

D. Mole fraction of solute

Molality

26 - The relative lowering of vapour pressure is

A. equal to the mole fraction of solvent

B. equal to the mole fraction of solute

C. directly proportional to the mole fraction of solute

D. both b & c

both b & c

27 - The relative lowering of vapour pressure is directly proportional to molality if the solution is

A. concentrated

B. dilute

C. saturated solution

D. all of the above

dilute

28 - The solution which distils over with change in composition

A. ideal solution

B. zeotropic solution

C. azeotropic solution

D. non-ideal solution

zeotropic solution

29 - Water of crystallization can be removed by

A. drying

B. heating

C. evaporation

D. All of the above

heating

30 - When common salt is dissolved in water?

A. Boiling point of water dicrease

B. Boiling point of water increase

C. Boiling point of water remains same

D. None of the above

Boiling point of water increase

31 - When enthalpy of reactants is higher than product then reaction will be

A. endothermic

B. spontaneous

C. non-spontaneous

D. exothermic

exothermic

32 - Which has the minimum freezing point?

A. One Molal NaCI

B. One molal KCI solution

C. One molal CaCI2

D. One molal urea solution

One molal CaCI2

33 - Which of the following are the conditions of colligative properties

A. Non-electrolye solute

B. Non-volatile solute

C. Dilute solution

D. All of the above

All of the above

34 - Which of the following is an example of liquid in gas solution.

A. Opals

B. Dust particles in smoke

C. Paints

D. Fog

Fog

35 - Which of the following is not a colligative property?

A. Lowering of vapour pressure

B. Freezing point

C. Osmotic pressure

D. Elevation of polling point

Freezing point

36 - Which of the following solutions of H2SO4 is more concentrated?

A. 1 Molar solution

B. 1 molal solution

C. 1 normal solution

D. all have same concentration

1 Molar solution

37 - Which of the following substance do not show continuous solubility curve?

A. KCIO4

B. Na2SO4. 10H2O

C. K2Cr2O7

D. PbCl2

Na2SO4. 10H2O

38 - Which of the following unit of concertration is independent of temperature?

A. Molarity

B. Molality

C. Mole fraction

D. all

Molality

39 - Which one of the following is a state function?

A. pressure

B. temperature

C. enthalpy

D. all of the above

all of the above

40 - Which one of the following salt does not hydrolyzed

A. Na2SO4

B. AlCl3

C. CuSO4

D. NH4Cl

Na2SO4

41 - 5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be

A. 1 M

B. 1 m

C. 1 M

D. 1 N

1 M

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