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

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

Question # 2

Which one of the following substance is use as decolonizing agent

Question # 3

95% ethanol is called :

Question # 4

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

Question # 5

The tip of funnel should be 1 or 2cm larger than the circle of the

Question # 6

Identification of a substance, determination of its structure and quantitative analysis of its composition are the aspects covered by

Question # 7

Naphthalene, iodine and NH4 can :

Question # 8

Sintered glass is porous material used for:

Question # 9

Without proper suction filtration is

Question # 10

The detection of functional group is called :

Question # 11

The liquid obtained after passing the mixture through filter paper is termed as :

Question # 12

The sample being analyzed is called:

Question # 13

Solvent extraction method is a particularly useful technique of separation when the product to be separated is:

Question # 14

A complete chemical characterization of a compound must include

Question # 15

Proteins and amino acid can be separated by:

Question # 16

Direct conversion of solid intro vapours is called:

Question # 17

During the process of crystallization, the hot saturated solution:

Question # 18

Analytical chemistry is the science of :

Question # 19

The detection of functional group is called:

Question # 20

The solid remained on filter paper during filtration is called the

Question # 21

Estimation of Na in sea water is an example of

Question # 22

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

Question # 23

The filtration process is used to separate solid from:

Question # 24

95% ethanol is called:

Question # 25

The detection of functional group is called

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Sintered glass is a porous material use for :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
2 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
3 The apex angle of the folded filter paper is slightly greater is termed as:
A. 60 degree
B. 30 degree
C. 45 degree
D. 90 degree
4 The reagents like KMnO4 and HCL cannot be filtered through Gooch crucible if its base is covered with :
A. Butterfly paper.
B. Ordinay paper.
C. Flying paper.
D. Filter paper.
5 The detection of functional group is called
A. Numerical analysis
B. Qualitative analysis
C. Combustion analysis
D. Quantitative analysis
6 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
7 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
8 Solvent extraction is an equilibrium process and it is controlled by :
A. law of mass action.
B. the amount of solvent used.
C. distribution law.
D. the amount of solute.
9 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
10 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.

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