Home/MDCAT/MDCAT Chemistry Experimental Techniques Online Test

MDCAT Chemistry Experimental Techniques Online Test

Malik TahirLast Updated: May 24, 2025

Chemistry Experimental Techniques MCQS Online Test

MDCAT Chemistry Experimental Techniques Chapter Online Test

Total Questions:	60
Time Allowed:	30 Minutes
Total Marks:	60
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	MDCAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

MDCAT Chemistry Experimental Techniques Test

Please wait...

Page 1 of 3

Chemistry

1. Gooch crucible is used to filter the solution of

K2Cr2O7

KOH

Under suction crucible

KMnO4

2. Solvent extraction method is used for compounds which are

Both A and B

None

Volatile

Thermally unstable

3. Paper chromatography is a type

None

Partition chromatography

Adsorption chromatography

Absorption chromatography

4. Aqueous solution of iodine is prepared first by dissolving which compound in water

KBr

NaC1

KC1

5. A filtration process could be very time consuming if it were not aided by the gentle suction, which is developed

If the paper covers the funnel up to its circumference

If the stem of the funnel is large so that it dips into the filtrate

If the paper fits tightly

If the paper has got small sized pores in it

6. In crystallization, if the solvent is inflammable then direct heating is

Needed

Avoided

Depends on temperature

Crystallization does not involve heating

7. Which one is not the drying agent

Phosphorus penta-oxide

CaOCl

Cacl₂

Silica gel

8. CaC1₂ ad P₂O₅ are used as

Drying agents

Deleting agents

Reside agents

Crystallizing agents

9. Solvent extraction method is particularly useful technique for separation when the product to be separated is

Volatile or thermally unstable

Volatile or thermally stable

Non – volatile or thermally unstable

Non – volatile or thermally stable

10. Filtration through Gooch and sintered glass crucibles is aided by a gentle suction

Quick filtration can be done

For preparation of chemical compound

It should deposit well-formed crystals of the pure compound

It dissolves a large amount of the substance

11. After filtration slow cooling yields

Bigger & pure crystals

Smaller & pure

Bigger & impure crystals

Smaller & impure

12. Which pairs of the following components can be separated by sublimation?

Sand and broken pieces of glass

Sand and naphthalene

Nacl and Kcl

Sand and Nacl

13. The rate at which the solute moves in paper chromatography depends upon

Distribution coefficient

Distribution law

Boiling point of solvent

Low partial pressures

14. Rate of filtration through conical funnel can be considerably increased by using

Fluted filter

Fine filter paper

Under suction crucible

Ordinary filter paper

15. Sintered crucible is made up of

Glass

Filer

Plastic

Porcelain

16. Which of the following is not a separation technique?

Solvent extraction

Boiling

Sublimation

Filtration

17. Which of the following technique is used for the separation of insoluble particles from liquids?

Chromatography

Filtration

Crystallization

Solvent extraction

18. During the process of crystallization the hot saturated solution

Mixed with an miscible liquid to get the pure crystals of the product

Cooled at a moderate rate to get medium sized crystals

Evaporated to get the crystals of the product

Cooled very slowly to get large sized crystals

19. Examples of sublimate does not include

Iodine

Ammonium salts

Naphthalene

Nitrates

20. Which type of chromatography has fixed phase

Partition

Absorption

Gas

None of these

21. Safe and reliable method of drying crystal in through

Evaporation of solution

Vacuum desiccator

Drying it in oven

Pressing it between folds of filter paper

22. Which one of the following techniques can be used to separate NaC1 and sand?

Sublimation

Formation of solution and filtration

Chromatography

Formation of solution and evaporation

23. In paper chromatography the point at which the solvent rises to maximum extent is called

Event

Chromatogram

Solvent front

Base line

24. Gooch crucible is used for the filtration of precipitates having

High ignition temperature

Low temperature

High concentration

High solubility

25. Solvent extraction is an equilibrium process and it is controlled by

Distribution law

The amount of solvent used

Law of mass action

The amount of solute

Page 2 of 3

26. For smooth filtration one of the following precautions should be observed

The filter paper should be small

The stem of the funnel should remain continuously full of liquids

The stem of the funnel should be small

The tip of funnel should not touch the beaker

27. I₂ present in water can be extracted by using which of the following solvent

Carbon tetrachloride

Acetic acid

Ethanol

Chloroform

28. In paper chromatography the rate at which solutes move depends on

Law of specific proportion

Law of partial pressure

Distribution coefficients

Distribution law

29. The process involves converting a solid directly into vapors and these vapors are the condensed to form solid again is called

Sublimation

Evaporation

Crystallization

Decomposition

30. Condensed solid produced during sublimation is

Crystal

Insoluble

Sublimate

Residue

31. The process of filtration is used to

Separate insoluble particles from liquids

Separate solute from solution

Separate the two miscible liquids

Separate the two immiscible liquids

32. Safe and most reliable method of drying the crystals is

Filter paper

None

Desicator

Oven

33. The most common example of solvent extraction is

Acetone

Chloroform

Naphthalene

Ether

34. Chromatography in which the stationary phase is liquid is called

Partition chromatography

Adsorption chromatography

None

Absorption chromatography

35. A comparative rates at which the solutes move in the paper chromatography depends on

Their partition coefficients

Used

The size of paper used

Their Rf values

36. Premature crystallization of solution of filter paper or in funnel can be avoided

Filling warm solution

Filtering cold solution

Filtering hot saturated solution using hot funnel

Quick filtration

37. The solid which is left over the filter paper is called

Residue

Crystal

Mud

Steel

38. Solvent extraction method is particularly useful technique for separation, when product to be separated is

Non-volatile or thermally unstable

Volatile or thermally stable

Nonvolatile or thermally stable

Non-volatile or thermally unstable

39. Iodine-salt mixture can be separated through

Simple filtration

Sublimation

Fractional distillation

Simple distillation

40. When a solid which has high vapor pressure at a temperature below its boiling point, is heated it starts:

Sublimation

Decomposing

Condensing

Melting

41. Which of the following process is used to separate insoluble particles from liquids?

Filtration

Condensation

Separation

Crystallization

42. An insoluble solid can be separated from a liquid by

Crystallization

Chromatography

Sublimation

Filtration

43. Chromatography is important in

All of these

Quantitative analysis

Qualitative analysis

Determination of purity

44. During the folding of filter paper the apex form angle of about

80⁰

90⁰

180⁰

60⁰

45. The technique of chromatography is used in

All

Separation

Purification

Isolation

46. If the solvent is inflammable for heating purpose we use

Water bath

Wire gauze

Thermostat

Ice bath

47. Filtration by a glass funnel and filter paper is very

Accurate

Fast

Time consuming

Difficult

48. The comparative rates at which the solutes move in paper chromatography depend on

Rf values of solutes

Size of the chromatographic tank used

Temperature of the experiment

The size of paper used

49. Which one is the property of an ideal solvent?

Impurities should crystallize along with the solute

It should react chemically with the solute

Should be safe to use

Should be expensive

50. A process controlled by distribution law is

Filtration

Crystallization

Solvent extraction

Sublimation

Page 3 of 3

51. The crystals are drying through a

Direct providing heat

Vacuum desiccator

Vacuum pump

None

52. Sintered glass crucible is used for

Separation of two miscible liquids

Convenient filtration than that by Gooch crucible

To avoid premature crystallization of solute

Purification of slid

53. Which of the following is directly related to Qualitative analysis?

Calculation

Separation

Identification

Measurement

54. The conversion of vapors directly into solid is called

Condensation

Sublimation

None

Freezing

55. Several types of filter media are used for filtration depending on

Nature of filter paper

Nature of precipitate

Nature of reactants

Nature of reaction

56. Gooch crucible is used in a suction filtering apparatus, because

A solid compound is purified

It is used for filtration of precipitates which need to be ignited

It keeps the stem of funnel full of liquid

It is used to separate organic compounds from water

57. Solvent extraction is an equilibrium process and it is controlled by

Amount of solute

Distribution law

Law of mass action

Amount of solute used

58. The iodine present in water can be separated by which one of the following techniques

Solvent extraction

Filtration

Chromatography

Sublimation

59. One of the following does not sublime

Iodine

NH₄Cl

Wax

Naphthalene

60. The dried paper containing pattern on paper is called

Chrome

Chromatogram

Chromatograph

Chromophore

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

MDCAT Chemistry Gases Test Online
MDCAT Chemistry Industrial Chemistry Test Online
MDCAT Chemistry Aldehydes and Ketones Test Online
MDCAT Physics Alternating Current Test Online
MDCAT Physics Fluid Dynamics Test Online
MDCAT Physics Vactors And Equilibrium Test Online
MDCAT Chemistry Alcohols And Phenols Test Online
MDCAT Chemistry Alkyl Halides Test Online
MDCAT Biology Biotechnology Online Test
MDCAT Biology Homeostasis Online Test

Malik TahirLast Updated: May 24, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

MDCAT Chemistry Experimental Techniques Online Test

Chemistry Experimental Techniques MCQS Online Test

MDCAT Chemistry Experimental Techniques Chapter Online Test

MDCAT Chemistry Experimental Techniques Test

Chemistry

You Might Also Like

Malik Tahir

One Comment

Leave a Reply Cancel reply

Chemistry Experimental Techniques MCQS Online Test

MDCAT Chemistry Experimental Techniques Chapter Online Test

MDCAT Chemistry Experimental Techniques Test

Chemistry

You Might Also Like

Malik Tahir

Your Related

MDCAT English Antonyms Online Test 8

MDCAT English Active & Passive Voice Online Test 3

All Pakistani Medical Colleges PMC MDCAT Test Result 2025 and Answer Keys

MDCAT English Vocabulary Online Test 1

MDCAT Biology Diversity among Animals (Kingdom Animalia) Test Online

MDCAT Chemistry Industrial Chemistry Test Online

One Comment

Leave a Reply Cancel reply