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

A complete chemical characterization of a compound must include

Question # 2

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

Question # 3

Estimation of Na in sea water is an example of

Question # 4

Which one of the following substances is used to decolourizing agent

Question # 5

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

Question # 6

Estimation of Na in sea water is an example of :

Question # 7

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

Question # 8

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

Question # 9

Analytical chemistry is the science of :

Question # 10

Gooch crucible is made of:

Question # 11

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

Question # 12

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

Question # 13

The solid remained on filter paper during filtration is called the

Question # 14

The other name for distribution law is

Question # 15

In CCL4 solvent I3 shows:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Sintered glass is porous material used for:

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Without proper suction filtration is

Question # 24

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

Question # 25

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

Question # 26

95% ethanol is called :

Question # 27

The filtration process is used to separate solid from:

Question # 28

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

Question # 29

Fluted filter paper is used to :

Question # 30

The sample being analyzed is called :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing
2 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
3 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
4 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
5 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
6 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.
7 The filtration process is used to separate solid from:
A. Liquid
B. Gas
C. Solid
D. All of above
8 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
9 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
10 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above

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