11th Class Chemistry Chapter 15 MCQ Test with Answer

Question # 1

It is suspected that hand writenlegal document has been changed by over writing some crucial figures. Which technique you wil use to check the inks used at suspected places.

Distillation A
Chromatography B
Solvent extraction C
Crystallization D

Question # 2

The pore size of flter paper depends upon

Size of funnel A
Size of precipitate B
Do not depend on anything C
Nature of liquid D

Question # 3

Petroleum is separatated by

Simpel distilation A
Fractional distillation B
Crystallization C
filtration D

Question # 4

In chromatography, the composeats of the mixtrue are separated based on

Their molecular mssses A
The interaction fo the components with stationalry as well as mobile phases B
The type of solvent used C
The filter paper used D

Question # 5

Which one is faster process.

Vacuum filtration A
Gravity filtration B
Filtration by smple filter paper C
Filtration by fluted filter paper D

Question # 6

Filtratio is used to separate

Solids from liquiids A
Liquids from liquids B
Gases from liquids C
Solids from gases D

Question # 7

In paper chromatography amino acids can be located by

Aspirin A
Ninhydrin B
salicylic acid C
KMnO4 D

Question # 8

The key differecne between simple distillation and fractional distillation is the presence of.

Condenser with a larer surface area A
More powerful heat source B
Fractionatng column C
Vacuum pump D

Question # 9

Which what man's chromatographic paper is used for paper cromatography

No. 1 A
No. 0 B
No10 C
No. 4 D

Question # 10

In distillation heating should be done.

Gently and steadily A
Vigorously B
Very fast C
With high pressure D

Question # 11

The comprative rates at which the solutes move in paper chromatography depend on

Size of filter paper A
Rf value of solutes B
Temperature C
Size of the chromatographic jar D

Question # 12

Paper chromatography is often used to seprate.

Salt from water A
Pigments in ink B
Petrol from kerosene C
Nitrogen from air D

Question # 13

Rf value in chromatography is;

Ratio of distanc emoved by solvent to sample A
Ration of distanc emoved by sample to solvent front B
distance moved by paper C
Distanc emoved by baseline D

Question # 14

The method tht can be used to separate two solid compound with different solubilites in a solvent is

Distillation A
Isolation B
crystallization C
Filtration D

Question # 15

Crystallization, the crystals form due to.

Freezing of water A
Cooling of a hot saturated solution B
Evaporation at room temperature C
Boilng at low pressure D

Question # 16

In water treatment plants, filtration usually follows.

Sedimentation A
Distillation B
Sublimaton C
Chromatography D

Question # 17

The good insolubel preceution whihc should be used for solutions that react with paper

Filter paper A
Do not filter B
Asbestos mat C
Cannot be answered D

Sr.#	Question	Answer
1	In chromatography, the composeats of the mixtrue are separated based on	A. Their molecular mssses B. The interaction fo the components with stationalry as well as mobile phases C. The type of solvent used D. The filter paper used
2	The key differecne between simple distillation and fractional distillation is the presence of.	A. Condenser with a larer surface area B. More powerful heat source C. Fractionatng column D. Vacuum pump
3	Asprin is used as	A. Analgesic B. Antipyretic C. Botha a and b D. None of these
4	In water treatment plants, filtration usually follows.	A. Sedimentation B. Distillation C. Sublimaton D. Chromatography
5	In paper chromatography amino acids can be located by	A. Aspirin B. Ninhydrin C. salicylic acid D. KMnO4
6	Rf value in chromatography is;	A. Ratio of distanc emoved by solvent to sample B. Ration of distanc emoved by sample to solvent front C. distance moved by paper D. Distanc emoved by baseline
7	In distillation heating should be done.	A. Gently and steadily B. Vigorously C. Very fast D. With high pressure
8	The porous material used to separate the solid from the liquid during filtratio is called the.	A. Filtrate B. Filter medium C. Residoue D. Solvent
9	The good insolubel precaution which should be used for solution that rect with paper	A. Filter paper B. Do not filter C. Asbestos mat D. Cannot be answered
10	Boiling point of Ethyl Alcohol is.	A. 78 ^oC B. 100 ^oC C. 83 ^o D. 98 ^oC

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11th Class Chemistry Chapter 15 MCQ Test with Answer

MCQ's Test For Basic Separation Techniques

Basic Separation Techniques

It is suspected that hand writenlegal document has been changed by over writing some crucial figures. Which technique you wil use to check the inks used at suspected places.

The pore size of flter paper depends upon

Petroleum is separatated by

In chromatography, the composeats of the mixtrue are separated based on

Which one is faster process.

Filtratio is used to separate

In paper chromatography amino acids can be located by

The key differecne between simple distillation and fractional distillation is the presence of.

Which what man's chromatographic paper is used for paper cromatography

In distillation heating should be done.

The comprative rates at which the solutes move in paper chromatography depend on

Paper chromatography is often used to seprate.

Rf value in chromatography is;

The method tht can be used to separate two solid compound with different solubilites in a solvent is

Crystallization, the crystals form due to.

In water treatment plants, filtration usually follows.

The good insolubel preceution whihc should be used for solutions that react with paper

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