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

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

Question # 3

The sample being analyzed is called:

Question # 4

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

Question # 5

The sample being analyzed is called :

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Sintered glass is porous material used for:

Question # 10

The detection of functional group is called

Question # 11

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

Question # 12

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

Question # 13

The solid remained on filter paper during filtration is called the

Question # 14

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

Question # 15

The sample being analyzed is called

Question # 16

Fluted filter paper is used to :

Question # 17

Chromatography is derived from Greek word 'Khromatos' means:

Question # 18

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

Question # 19

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

Question # 20

The other name for distribution law is

Question # 21

Which one of the following substances is used to decolourizing agent

Question # 22

The detection of functional group is called :

Question # 23

The filtration process is used to separate solid from:

Question # 24

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

Question # 25

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

Question # 26

Which one of the following substance is use as decolonizing agent

Question # 27

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

Question # 28

Direct conversion of solid intro vapours is called:

Question # 29

Fluted filter paper is used to:

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
2 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
3 Analytical chemistry is the science of
A. Chemical characterization
B. Physical characterization
C. Biological characterization
D. Biochemical characterization
4 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
5 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.
6 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
7 Selection of filter paper depends upon sizes of particles to be :
A. Tested.
B. Filtered.
C. Checked.
D. All of above.
8 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
9 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
10 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.

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