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 equilibrium process and it is controlled by :

Question # 2

Analytical chemistry is the science of :

Question # 3

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

Question # 4

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

Question # 5

The other name for distribution law is

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

In CCL4 solvent I3 shows:

Question # 11

Gooch crucible is made of:

Question # 12

Fluted filter paper is used to :

Question # 13

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

Question # 14

Direct conversion of solid intro vapours is called:

Question # 15

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

Question # 16

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

Question # 17

The sample being analyzed is called

Question # 18

In chromatography, the point at which solvent maximum rises called:

Question # 19

The detection of functional group is called

Question # 20

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

Question # 21

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

Question # 22

95% ethanol is called :

Question # 23

Which one of the following substances is used to decolourizing agent

Question # 24

The sample being analyzed is called:

Question # 25

Sintered glass is porous material used for:

Question # 26

A complete chemical Characterization of a compound must include:

Question # 27

Without proper suction,filtration is:

Question # 28

Estimation of Na in sea water is an example of :

Question # 29

Direct conversion of solid into vapors is called :

Question # 30

Analytical chemistry is the science of

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
2 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
3 Solvent extraction method is a particularly useful technique of separation when the product to be separated is:
A. non-volatile or thermally unstable.
B. volatile or thermally stable.
C. non-volatile or thermally stable.
D. volatile or thermally unstable.
4 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
5 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing
6 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
7 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.
8 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
9 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
10 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate

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