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

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Question # 1

95% ethanol is called:

Question # 2

The detection of functional group is called:

Question # 3

Proteins and amino acid can be separated by:

Question # 4

Sintered glass is a porous material use for :

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Chromatography is derived from Greek word 'Khromatos' means:

Question # 10

Naphthalene, iodine and NH4 can :

Question # 11

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

Question # 12

Without proper suction filtration is

Question # 13

The filtration process is used to separate solid from:

Question # 14

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

Question # 15

Estimation of Na in sea water is an example of :

Question # 16

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

Question # 17

Estimation of Na in sea water is an example of

Question # 18

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

Question # 19

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

Question # 20

Direct conversion of solid intro vapours is called:

Question # 21

The other name for distribution law is

Question # 22

A complete chemical characterization of a compound must include

Question # 23

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

Question # 24

Gooch crucible is made of:

Question # 25

The sample being analyzed is called:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

Fluted filter paper is used to:

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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 comparative rates at which the solutes move in paper chromatography, depend on:
A. the size of per sued.
B. Rf values of solutes
C. temperature of the experiment
D. size of the chromatography tank used.
3 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.
4 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
5 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
6 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
7 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
8 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
9 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
10 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.

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