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

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

Question # 2

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

Question # 3

Sintered glass is porous material used for:

Question # 4

In CCL4 solvent I3 shows:

Question # 5

A complete chemical characterization of a compound must include

Question # 6

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

Question # 7

The filtration process is used to to separate solid from :

Question # 8

Proteins and amino acid can be separated by:

Question # 9

The sample being analyzed is called:

Question # 10

Analytical chemistry is the science of :

Question # 11

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

Question # 12

Which one of the following substance is use as decolonizing agent

Question # 13

Analytical chemistry is the science of

Question # 14

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

Question # 15

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

Question # 16

Without proper suction,filtration is:

Question # 17

The detection of functional group is called :

Question # 18

During the process of crystallization, the hot saturated solution:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

Direct conversion of solid into vapors is called :

Question # 23

The solid remained on filter paper during filtration is called the

Question # 24

The sample being analyzed is called

Question # 25

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

Question # 26

95% ethanol is called:

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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.
2 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing
3 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.
4 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
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 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
7 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
8 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
9 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
10 The other name for distribution law is
A. Dispersive law
B. Partition law
C. Avogadro's law
D. separation law

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