60 + Interview Questions in MATTER PURE IN GENERAL AWARENESS Page 1 InterviewSolution

1.	All the solutions are ‘x’s. But not all ‘x’s are solutions. Guess the ‘x’. A) Pure substance B) MixtureC) Atom D) Liquid
Answer» Correct option is B) Mixture

Discussion

2.	‘A’ is a mixture. No particles are settled down when it left undisturbed for sometime. Light beam is visible through it. Guess the ‘A’. A) Solution B) Colloid C) Suspension D) A or B
Answer» Correct option is B) Colloid

Discussion

3.	If a solution is diluted, the path of the fight beam is A) Visible B) Not visible C) Lightly visible D) Sometimes visible
Answer» B) Not visible

Discussion

4.	Air is a ………….. A) mixture B) colloid C) solution D) none of these
Answer» Correct option is C) solution

Discussion

5.	……………… are heterogeneous mixtures in which the particle size is too small to be seen with the naked eye but is big enough to scatter fight. A) SuspensionB) Solutions C) Colloids D) None of these
Answer» Correct option is C) Colloids

Discussion

6.	The term element is first used by …………… A) Robert Boyle B) Hennig Brand C) Lavoisier D) Burzelius
Answer» A) Robert Boyle

Discussion

7.	The first definition for ‘element’ is given by A) Lavoisier B) Hennig Brand C) Sir Humphry Davy D) Robert Boyle
Answer» Correct option is A) Lavoisier

Discussion

8.	The first definition of an element is given by …………….. A) Robert Boyle B) Hennig Brand C) Lavoisier D) Burzelius
Answer» Correct option is C) Lavoisier

Discussion

9.	Substances which can be separated into two or more components by chemical reactions are called as ………………. A) elements B) mixtures C) compounds D) none of these
Answer» C) compounds

Discussion

10.	The basic form of matter that cannot be broken down into simpler substances in chemical reactions is ……………… A) element B) compound C) mixtureD) none of these
Answer» Correct option is B) compound

Discussion

11.	Dispersion mediumDispersed phaseColloide typegasliquidaerosolliquidXsolsolidliquidgelIn the above table ‘x’ can be replaced A) Liquid B) Solid C) Solid or liquid D) Gas
Answer» C) Solid or liquid

Discussion

12.	When mixture of liquids are spun rapidly …………. component stay at the top. This is the principle of …………….. A) heavier, churning B) lighter, churning C) heavier, mixing D) lighter, mixing
Answer» B) lighter, churning

Discussion

13.	Element is a basic form of matter that cannot be broken down into simple forms by chemical reactions. If any substance can be separated into two or more constituent parts by a chemical reaction it should be A) Mixture B) Heterogeneous mixture C) Homogeneous mixture D) Compound
Answer» Correct option is D) Compound

Discussion

14.	Assertion (A) : Water + sugar is a solution. Reason (R) : If we pass beam of light through a solution, it scatters light. A) A and R are true B) A and R are false C) A is true but R is false D) A is false but R is true
Answer» C) A is true but R is false

Discussion

15.	On mixing of dil. hydrochloric acid to the mixture of iron dust and sulphur powder we obtain two gases. One of them is hydrogen and another would be A) Sulphur dioxide B) Hydrogen sulphide C) Sulphur trioxide D) Oxygen
Answer» A) Sulphur dioxide

Discussion

16.	The components of a homogenous mixture are too intimately mixed up that it will be difficult to distinguish them from each other by visual observation. Example for such mixture is A) Kerosene-water B) Air C) Naphthalein-water D) Oil-water
Answer» Correct option is B) Air

Discussion

17.	When the components of the mixture formed are uniformly distributed through out it there it is called …………….. mixture. A) homogeneous B) heterogeneous C) aqueous D) settle
Answer» A) homogeneous

Discussion

18.	‘Churning makes the lighter components to come to the surface when a mixture of liquids are spun rapidly’. This principle is used inA) Refrigerators B) Centrifuge C) Microscope D) Rice cookers
Answer» B) Centrifuge

Discussion

19.	Cold cream is ………………. A) solution B) suspension C) colloid D) emulsion
Answer» Correct option is D) emulsion

Discussion

20.	Take two test tubes with some water. Add salt powder to one test tube and add crystals of salt to the second one. Observe. From your observation you may conclude that solubility depends upon A) temperatureB) size of the solute C) stirring D) above all
Answer» B) size of the solute

Discussion

21.	When the components of the mixture formed are not distributed uniformly throughout it, then the mixture is called ……………. mixture. A) homogeneous B) heterogeneous C) aqueous D) none
Answer» B) heterogeneous

Discussion

22.	In a solution, the substance which dissolved in another is called …………… A) solution B) solute C) solvent D) solubility
Answer» Correct option is B) solute

Discussion

23.	Which of the following is NOT a pure substance ? A) Gold B) Glucose C) Milk D) Water
Answer» Correct option is C) Milk

Discussion

24.	By which method do you separate Ammonium chloride from a mixture containing Sodium chloride and Ammonium chloride ? A) sublimation B) condensation C) evaporation D) filtration
Answer» A) sublimation

Discussion

25.	The correct process is a) add solvent more to dilute a solution b) add solute more to dilute a solution c) add solute more to concentrate a solution d) add solvent more to concentrate a solution A) b, d B) a, c C) b, c D) a, d
Answer» Correct option is D) a, d

Discussion

26.	Immiscible liquids can he separated byA) separating funnel B) centrifuge C) fractional distillation column D) filtration
Answer» A) separating funnel

Discussion

27.	In a solution, the substance which dissolves another is called …………….. A) solution B) solute C) solvent D) solubility
Answer» Correct option is C) solvent

Discussion

28.	How do you separate different pigments from an extract of flower petals ? A) sublimation B) chromatography C) evaporation D) distillation
Answer» B) chromatography

Discussion

29.	Match the following.Technique to separateMixturea) Magnet1. oil and waterb) Separating funnel2. tea leaves and teac) Filtration3. iron and sandA) a – 3, b – 2, c -1 B) a – 2, b -1, c – 3 C) a -1, b – 2, c – 3 D) a – 3, b -1, c – 2
Answer» D) a – 3, b -1, c – 2

Discussion

30.	The measurement of amount of solute that dissolves in a solvent is A) solubility B) diluted C) concentrated D) saturated
Answer» Correct option is A) solubility

Discussion

31.	Mass by mass percentage of a solution =A) \(\cfrac{mass \,of \,solute}{mass \,of \,solution}\) × 100 B) \(\cfrac{mass \,of \,solute}{mass \,of \,solvent}\)× 100 C) \(\cfrac{mass \,of \,solution}{mass \,of \,solute}\)× 100 D) \(\cfrac{mass \,of \,solvent}{mass \,of \,solute}\) x 100
Answer» A) \(\cfrac{mass \,of \,solute}{mass \,of \,solution}\) × 100

Discussion

32.	This is not a property of colloid. A) scattering light B) tyndall effect C) sedimentation D) A and C
Answer» C) sedimentation

Discussion

33.	Which of the following is a colloidal dispersion ?A) salt solution B) mixture of oil and water C) nail polish D) cheese
Answer» Correct option is A) a and b

Discussion

34.	Assertion (A) : Chromatography is used to separate the coloured pigments in flowers. Reason (R) : Chromatography is a technique for the separation of mixtures into its individual components. A) Both assertion (A) and reason (R) are correct and (R) is the correct explanation of (A). B) Assertion (A) is correct but reason (R) is incorrect. C) Assertion (A) is incorrect but reason (R) is correct. D) Both assertion (A) and reason (R) are correct but (R) is not correct explanation of (A).
Answer» A) Both assertion (A) and reason (R) are correct and (R) is the correct explanation of (A).

Discussion

35.	Tindal effect observes in the following substances by passing light through it A) salt solution B) milk C) copper sulphate solution D) starch solution A) B only B) A, D C) C onlyD) B, D
Answer» Correct option is A) B only

Discussion

36.	Ink is a mixture of a dye in water. We can separate the components in the ink using evaporation. The correct observation in the experiment is i) Water is separated in the form of vapour.ii) Dye component doesn’t evaporate. iii) Water and dye components gets evaporated. iv) Dye components gets sublimated. A) (i) and (ii) B) (iii) only C) (i) and (iv) D) (i) only
Answer» Correct option is (A) i and ii Ink is a mixture of dye in water. We can separate the components in the ink. Using evaporation water in ink is evaporated thus leaving behind the dyes. Dyes being non-volatile does not evaporated. Correct option is A) (i) and (ii) Correct option is ,D) (i) only

36.

Ink is a mixture of a dye in water. We can separate the components in the ink using evaporation. The correct observation in the experiment is i) Water is separated in the form of vapour.ii) Dye component doesn’t evaporate. iii) Water and dye components gets evaporated. iv) Dye components gets sublimated. A) (i) and (ii) B) (iii) only C) (i) and (iv) D) (i) only

Answer»

Correct option is (A) i and ii

Ink is a mixture of dye in water. We can separate the components in the ink. Using evaporation water in ink is evaporated thus leaving behind the dyes. Dyes being non-volatile does not evaporated.

Correct option is A) (i) and (ii)

Correct option is ,D) (i) only

Discussion

37.	80 ml of solution contains 20 gr of solute. The mass by volume percentage of the solution is A) 20% B) 40% C) 25% D) 80%
Answer» Correct option is C) 25%

Discussion

38.	When we go through deep forest, the following effect can be observed A) Photo electric effect B) Raman effect C) Tyndall effect D) Comphton effect
Answer» C) Tyndall effect

Discussion

39.	The mass by mass percentage concentration of a 100g salt solution, which contains 20g salt is A) 10% B) 20% C) 30% D) 50%
Answer» Correct option is B) 20%

Discussion

40.	How do you examine whether a starch solution is colloid or suspension ? A) By sending light beam B) By leaving undisturbed for some-time C) By heating itD) Any of the above
Answer» B) By leaving undisturbed for some-time

Discussion

41.	Which of the following is a suspension? A) salt solution B) mixture of oil and water C) nail polish D) cheese
Answer» C) nail polish

Discussion

42.	Clouds are …………….. A) solution B) suspension C) colloid D) emulsion
Answer» Correct option is C) colloid

Discussion

43.	Milk is A) Suspension B) Emulsion C) Colloid D) Gel
Answer» Correct option is C) Colloid

Discussion

44.	Coloured pigments in plants can be separated by ……………….. A) distillation B) evaporation C) fractional distillationD) paper chromatography
Answer» D) paper chromatography

Discussion

45.	The given figure is related to A) sublimation B) fractional distillation C) paper chromatography D) evaporation
Answer» C) paper chromatography

Discussion

46.	Which of the following is not used in paper chromatography ? A) Beaker B) Separating funnel C) Pencil D) Marker Pen
Answer» B) Separating funnel

Discussion

47.	Which of the following shows Tyndall effect: A) Shoe – polish B) Salt water C) Copper sulphate solution D) Coffee
Answer» A) Shoe – polish

Discussion

48.	A solution contains 50g of common salt in 150g of water. Mass percentage of solution is A) 33.3% B) 300% C) 25% D) 20%
Answer» Correct option is C) 25%

Discussion

49.	Cream from milk can be separated by A) centrifugation B) distillationC) fractional distillation D) chromatography
Answer» A) centrifugation

Discussion

50.	P : Tyndall effect is related to suspensions Q : Tyndall effect is related to colloidal solutions A) P, Q are true B) P, Q are false C) P True, Q False D) P false, Q True
Answer» D) P false, Q True

Discussion

Explore topic-wise InterviewSolutions in .

All the solutions are ‘x’s. But not all ‘x’s are solutions. Guess the ‘x’. A) Pure substance B) MixtureC) Atom D) Liquid

‘A’ is a mixture. No particles are settled down when it left undisturbed for sometime. Light beam is visible through it. Guess the ‘A’. A) Solution B) Colloid C) Suspension D) A or B

If a solution is diluted, the path of the fight beam is A) Visible B) Not visible C) Lightly visible D) Sometimes visible

Air is a ………….. A) mixture B) colloid C) solution D) none of these

……………… are heterogeneous mixtures in which the particle size is too small to be seen with the naked eye but is big enough to scatter fight. A) SuspensionB) Solutions C) Colloids D) None of these

The term element is first used by …………… A) Robert Boyle B) Hennig Brand C) Lavoisier D) Burzelius

The first definition for ‘element’ is given by A) Lavoisier B) Hennig Brand C) Sir Humphry Davy D) Robert Boyle

The first definition of an element is given by …………….. A) Robert Boyle B) Hennig Brand C) Lavoisier D) Burzelius

Substances which can be separated into two or more components by chemical reactions are called as ………………. A) elements B) mixtures C) compounds D) none of these

The basic form of matter that cannot be broken down into simpler substances in chemical reactions is ……………… A) element B) compound C) mixtureD) none of these

Dispersion mediumDispersed phaseColloide typegasliquidaerosolliquidXsolsolidliquidgelIn the above table ‘x’ can be replaced A) Liquid B) Solid C) Solid or liquid D) Gas

When mixture of liquids are spun rapidly …………. component stay at the top. This is the principle of …………….. A) heavier, churning B) lighter, churning C) heavier, mixing D) lighter, mixing

Element is a basic form of matter that cannot be broken down into simple forms by chemical reactions. If any substance can be separated into two or more constituent parts by a chemical reaction it should be A) Mixture B) Heterogeneous mixture C) Homogeneous mixture D) Compound

Assertion (A) : Water + sugar is a solution. Reason (R) : If we pass beam of light through a solution, it scatters light. A) A and R are true B) A and R are false C) A is true but R is false D) A is false but R is true

On mixing of dil. hydrochloric acid to the mixture of iron dust and sulphur powder we obtain two gases. One of them is hydrogen and another would be A) Sulphur dioxide B) Hydrogen sulphide C) Sulphur trioxide D) Oxygen

The components of a homogenous mixture are too intimately mixed up that it will be difficult to distinguish them from each other by visual observation. Example for such mixture is A) Kerosene-water B) Air C) Naphthalein-water D) Oil-water

When the components of the mixture formed are uniformly distributed through out it there it is called …………….. mixture. A) homogeneous B) heterogeneous C) aqueous D) settle

‘Churning makes the lighter components to come to the surface when a mixture of liquids are spun rapidly’. This principle is used inA) Refrigerators B) Centrifuge C) Microscope D) Rice cookers

Cold cream is ………………. A) solution B) suspension C) colloid D) emulsion

Take two test tubes with some water. Add salt powder to one test tube and add crystals of salt to the second one. Observe. From your observation you may conclude that solubility depends upon A) temperatureB) size of the solute C) stirring D) above all

When the components of the mixture formed are not distributed uniformly throughout it, then the mixture is called ……………. mixture. A) homogeneous B) heterogeneous C) aqueous D) none

In a solution, the substance which dissolved in another is called …………… A) solution B) solute C) solvent D) solubility

Which of the following is NOT a pure substance ? A) Gold B) Glucose C) Milk D) Water

By which method do you separate Ammonium chloride from a mixture containing Sodium chloride and Ammonium chloride ? A) sublimation B) condensation C) evaporation D) filtration

The correct process is a) add solvent more to dilute a solution b) add solute more to dilute a solution c) add solute more to concentrate a solution d) add solvent more to concentrate a solution A) b, d B) a, c C) b, c D) a, d

Immiscible liquids can he separated byA) separating funnel B) centrifuge C) fractional distillation column D) filtration

In a solution, the substance which dissolves another is called …………….. A) solution B) solute C) solvent D) solubility

How do you separate different pigments from an extract of flower petals ? A) sublimation B) chromatography C) evaporation D) distillation

Match the following.Technique to separateMixturea) Magnet1. oil and waterb) Separating funnel2. tea leaves and teac) Filtration3. iron and sandA) a – 3, b – 2, c -1 B) a – 2, b -1, c – 3 C) a -1, b – 2, c – 3 D) a – 3, b -1, c – 2

The measurement of amount of solute that dissolves in a solvent is A) solubility B) diluted C) concentrated D) saturated

Mass by mass percentage of a solution =A) \(\cfrac{mass \,of \,solute}{mass \,of \,solution}\) × 100 B) \(\cfrac{mass \,of \,solute}{mass \,of \,solvent}\)× 100 C) \(\cfrac{mass \,of \,solution}{mass \,of \,solute}\)× 100 D) \(\cfrac{mass \,of \,solvent}{mass \,of \,solute}\) x 100

This is not a property of colloid. A) scattering light B) tyndall effect C) sedimentation D) A and C

Which of the following is a colloidal dispersion ?A) salt solution B) mixture of oil and water C) nail polish D) cheese

Tindal effect observes in the following substances by passing light through it A) salt solution B) milk C) copper sulphate solution D) starch solution A) B only B) A, D C) C onlyD) B, D

80 ml of solution contains 20 gr of solute. The mass by volume percentage of the solution is A) 20% B) 40% C) 25% D) 80%

When we go through deep forest, the following effect can be observed A) Photo electric effect B) Raman effect C) Tyndall effect D) Comphton effect

The mass by mass percentage concentration of a 100g salt solution, which contains 20g salt is A) 10% B) 20% C) 30% D) 50%

How do you examine whether a starch solution is colloid or suspension ? A) By sending light beam B) By leaving undisturbed for some-time C) By heating itD) Any of the above

Which of the following is a suspension? A) salt solution B) mixture of oil and water C) nail polish D) cheese

Clouds are …………….. A) solution B) suspension C) colloid D) emulsion

Milk is A) Suspension B) Emulsion C) Colloid D) Gel

Coloured pigments in plants can be separated by ……………….. A) distillation B) evaporation C) fractional distillationD) paper chromatography

The given figure is related to A) sublimation B) fractional distillation C) paper chromatography D) evaporation

Which of the following is not used in paper chromatography ? A) Beaker B) Separating funnel C) Pencil D) Marker Pen

Which of the following shows Tyndall effect: A) Shoe – polish B) Salt water C) Copper sulphate solution D) Coffee

A solution contains 50g of common salt in 150g of water. Mass percentage of solution is A) 33.3% B) 300% C) 25% D) 20%

Cream from milk can be separated by A) centrifugation B) distillationC) fractional distillation D) chromatography

P : Tyndall effect is related to suspensions Q : Tyndall effect is related to colloidal solutions A) P, Q are true B) P, Q are false C) P True, Q False D) P false, Q True