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

The sample being analyzed is called :

Question # 3

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

Question # 4

The sample being analyzed is called

Question # 5

Estimation of Na in sea water is an example of :

Question # 6

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

Question # 7

Fluted filter paper is used to :

Question # 8

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

Question # 9

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

Question # 10

A complete chemical characterization of a compound must include

Question # 11

95% ethanol is called :

Question # 12

Chromatography is derived from Greek word 'Khromatos' means:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Which one of the following substances is used to decolourizing agent

Question # 18

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

Question # 19

Sintered glass is porous material used for:

Question # 20

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

Question # 21

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

Question # 22

Sintered glass is a porous material use for :

Question # 23

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

Question # 24

Estimation of Na in sea water is an example of

Question # 25

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

Question # 26

Without proper suction filtration is

Question # 27

Without proper suction,filtration is:

Question # 28

The detection of functional group is called :

Question # 29

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

Question # 30

The filtration process is used to separate solid from:

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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 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
3 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.
4 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
5 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
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 sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
8 A suitable solvent should dissolve maximum amount of solute at its boiling point and minimum amount at :
A. Freezing point.
B. Room temperature.
C. Boiling point.
D. Sea level temperature.
9 During the process of crystallization, the hot saturated solution:
A. is cooled very slowly to get large size crystals
B. is cooled at a moderate rate to get medium sized crystals of the product
C. is evaporated to get the crystals of the products
D. is mixed with an immiscible liquid to get the pure crystals of the product.
10 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.

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