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

Proteins and amino acid can be separated by:

Question # 2

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

Question # 3

Fluted filter paper is used to :

Question # 4

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

Question # 5

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

Question # 6

Chromatography is derived from Greek word 'Khromatos' means:

Question # 7

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

Question # 8

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

Question # 9

Analytical chemistry is the science of

Question # 10

The detection of functional group is called

Question # 11

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

Question # 12

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

Question # 13

The solid remained on filter paper during filtration is called the

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The sample being analyzed is called:

Question # 19

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

Question # 20

The sample being analyzed is called

Question # 21

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

Question # 22

The filtration process is used to separate solid from

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

Which one of the following substance is use as decolonizing agent

Question # 27

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

Question # 28

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

Question # 29

Estimation of Na in sea water is an example of :

Question # 30

Naphthalene, iodine and NH4 can :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
2 A suitable solvent should dissolve maximum amount of solute at its boiling point and minimum amount at :
A. Freezing point.
B. Room temperature.
C. Boiling point.
D. Sea level temperature.
3 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
4 Analytical chemistry is the science of :
A. Chemical Characterization.
B. Physical Characterization.
C. Biological Characterization.
D. Biochemical Characterization.
5 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
6 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.
7 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
8 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
9 The filtration process is used to separate solid from:
A. Liquid
B. Gas
C. Solid
D. All of above
10 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.

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