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

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

Question # 2

Direct conversion of solid intro vapours is called:

Question # 3

Fluted filter paper is used to :

Question # 4

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

Question # 5

Estimation of Na in sea water is an example of

Question # 6

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

Question # 7

The detection of functional group is called

Question # 8

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

Question # 9

The filtration process is used to separate solid from:

Question # 10

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

Question # 11

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

Question # 12

During the process of crystallization, the hot saturated solution:

Question # 13

Chromatography is derived from Greek word 'Khromatos' means:

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The sample being analyzed is called :

Question # 18

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

Question # 19

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

Question # 20

Estimation of Na in sea water is an example of :

Question # 21

Direct conversion of solid into vapors is called :

Question # 22

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

Question # 23

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

Question # 24

In CCL4 solvent I3 shows:

Question # 25

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

Question # 26

Which one of the following substance is use as decolonizing agent

Question # 27

Analytical chemistry is the science of

Question # 28

The filtration process is used to separate solid from

Question # 29

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

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 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
2 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
3 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.
4 The detection of functional group is called :
A. Numerical analysis.
B. Qualitative analysis.
C. Combustion analysis.
D. Quantitative analysis.
5 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
6 Identification of a substance, determination of its structure and quantitative analysis of its composition are the aspects covered by
A. Modern analytical physics
B. Mechanical chemistry
C. Biochemistry
D. Modern analytical chemistry
7 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
8 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.
9 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
10 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

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