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

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

Question # 2

Without proper suction filtration is

Question # 3

95% ethanol is called :

Question # 4

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

Question # 5

The sample being analyzed is called :

Question # 6

Analytical chemistry is the science of :

Question # 7

Direct conversion of solid into vapors is called :

Question # 8

The solution left after the formation of crystals is called :

Question # 9

95% ethanol is called:

Question # 10

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

Question # 11

The sample being analyzed is called

Question # 12

Fluted filter paper is used to:

Question # 13

Chromatography is derived from Greek word 'Khromatos' means:

Question # 14

A complete chemical characterization of a compound must include

Question # 15

Which one of the following substances is used to decolourizing agent

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Direct conversion of solid intro vapours is called:

Question # 20

During the process of crystallization, the hot saturated solution:

Question # 21

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

Question # 22

Sintered glass is porous material used for:

Question # 23

Sintered glass is a porous material use for :

Question # 24

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

Question # 25

Without proper suction,filtration is:

Question # 26

The detection of functional group is called :

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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
2 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
3 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
4 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.
5 The detection of functional group is called :
A. Numerical analysis.
B. Qualitative analysis.
C. Combustion analysis.
D. Quantitative analysis.
6 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.
7 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
8 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
9 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
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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