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

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

Question # 2

In CCL4 solvent I3 shows:

Question # 3

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

Question # 4

Chromatography is derived from Greek word 'Khromatos' means:

Question # 5

The filtration process is used to to separate solid from :

Question # 6

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

Question # 7

The filtration process is used to separate solid from

Question # 8

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

Question # 9

Which one of the following substance is use as decolonizing agent

Question # 10

Fluted filter paper is used to:

Question # 11

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

Question # 12

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

Question # 13

Gooch crucible is made of:

Question # 14

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

Question # 15

Sintered glass is a porous material use for :

Question # 16

During the process of crystallization, the hot saturated solution:

Question # 17

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

Question # 18

The detection of functional group is called

Question # 19

A complete chemical characterization of a compound must include

Question # 20

The detection of functional group is called:

Question # 21

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

Question # 22

Direct conversion of solid intro vapours is called:

Question # 23

95% ethanol is called:

Question # 24

Naphthalene, iodine and NH4 can :

Question # 25

Without proper suction,filtration is:

Question # 26

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

Question # 27

Which one of the following substance is no used as drying agent in desiccators

Question # 28

Analytical chemistry is the science of :

Question # 29

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

Question # 30

Estimation of Na in sea water is an example of

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
2 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.
3 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.
4 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis
5 Solvent extraction is an unstable, Process and it is called by:
A. The amount of solute
B. Distribution law
C. The amount of solvent used
D. Law of mass action
6 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.
7 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
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 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
10 The filtration process is used to to separate solid from :
A. Liquid.
B. Gas.
C. Solid.
D. All of above.

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