ECAT Pre Engineering Chemistry Chapter 2 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry

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ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry

00:00
Question # 1

The tip of the funnel should touch the side of the beaker in order to avoid

Question # 2

The sample being analyzed is called :

Question # 3

The solid remained on filter paper during the filtration is called the :

Question # 4

The other name for distribution law is

Question # 5

Selection of filter paper depends upon sizes of particles to be :

Question # 6

Solvent extraction is an unstable, Process and it is called by:

Question # 7

The filtration process is used to to separate solid from :

Question # 8

A suitable solvent should dissolve maximum amount of solute at its boiling point and minimum amount at :

Question # 9

The detection of functional group is called :

Question # 10

A complete chemical characterization of a compound must include

Question # 11

Analytical chemistry is the science of

Question # 12

Estimation of Na in sea water is an example of

Question # 13

The reagents like KMnO4 and HCL cannot be filtered through Gooch crucible if its base is covered with :

Question # 14

The apex angle of the folded filter paper is slightly greater is termed as:

Question # 15

Solvent extraction is an unstable,Process and it is controlled by:

Question # 16

A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:

Question # 17

A complete chemical Characterization of a compound must include:

Question # 18

The solution left after the formation of crystals is called :

Question # 19

Naphthalene, iodine and NH4 can :

Question # 20

The apex angle of the folded filter paper is slightly greater than :

Question # 21

Without proper suction,filtration is:

Question # 22

Direct conversion of solid intro vapours is called:

Question # 23

In chromatography, the point at which solvent maximum rises called:

Question # 24

The detection of functional group is called

Question # 25

Fluted filter paper is used to :

Question # 26

Which one of the following substances is used to decolourizing agent

Question # 27

Sintered glass is a porous material use for :

Question # 28

The comparative rates at which the solutes move in paper chromatography, depend on:

Question # 29

Solvent extraction is an equilibrium process and it is controlled by :

Question # 30

The sample being analyzed is called

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Fluted filter paper is used to :
A. Decrease rate of filtration.
B. Increase rate of filtration.
C. Maintain rate of filtration.
D. None of above.
2 The other name for distribution law is
A. Dispersive law
B. Partition law
C. Avogadro's law
D. separation law
3 Analytical chemistry is the science of
A. Chemical characterization
B. Physical characterization
C. Biological characterization
D. Biochemical characterization
4 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)
5 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
6 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
7 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
8 Identification of a substance, determination of its structure an quantitative analysis of its composition are the aspects covered by:
A. Modern analytical physics.
B. Mechanical chemistry.
C. Biochemistry.
D. Modern analytical chemistry.
9 The solid remained on filter paper during the filtration is called the :
A. Substance.
B. Residue.
C. Undue.
D. Filtrate.
10 Solvent extraction method is a particularly useful technique of separation when the product to be separated is:
A. non-volatile or thermally unstable.
B. volatile or thermally stable.
C. non-volatile or thermally stable.
D. volatile or thermally unstable.

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