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

In CCL4 solvent I3 shows:

Question # 2

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

Question # 3

The detection of functional group is called

Question # 4

Estimation of Na in sea water is an example of

Question # 5

Which one of the following substance is use as decolonizing agent

Question # 6

Sintered glass is a porous material use for :

Question # 7

The filtration process is used to to separate solid from :

Question # 8

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

Question # 9

The other name for distribution law is

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The sample being analyzed is called :

Question # 14

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

Question # 15

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

Question # 16

Analytical chemistry is the science of

Question # 17

Direct conversion of solid intro vapours is called:

Question # 18

A complete chemical characterization of a compound must include

Question # 19

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

Question # 20

Fluted filter paper is used to:

Question # 21

The filtration process is used to separate solid from:

Question # 22

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

Question # 23

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

Question # 24

Which one of the following substances is used to decolourizing agent

Question # 25

Chromatography is derived from Greek word 'Khromatos' means:

Question # 26

95% ethanol is called:

Question # 27

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

Question # 28

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

Question # 29

The sample being analyzed is called:

Question # 30

A complete chemical Characterization of a compound must include:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The solid remained on filter paper during the filtration is called the :
A. Substance.
B. Residue.
C. Undue.
D. Filtrate.
2 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.
3 A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:
A. If the paper covers the funnel up to its circumstances
B. If the paper has got small sized pores in
C. If the stem of funnel is large so that it dips in to filtrate
D. If the paper fits tightly.
4 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
5 During the process of crystallization, the hot saturated solution:
A. is cooled very slowly to get large size crystals
B. is cooled at a moderate rate to get medium sized crystals of the product
C. is evaporated to get the crystals of the products
D. is mixed with an immiscible liquid to get the pure crystals of the product.
6 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
7 Analytical chemistry is the science of
A. Chemical characterization
B. Physical characterization
C. Biological characterization
D. Biochemical characterization
8 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
9 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
10 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol

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