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

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

Question # 4

The solid remained on filter paper during filtration is called the

Question # 5

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

Question # 6

The sample being analyzed is called :

Question # 7

Estimation of Na in sea water is an example of

Question # 8

The detection of functional group is called :

Question # 9

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

Question # 10

The other name for distribution law is

Question # 11

Direct conversion of solid intro vapours is called:

Question # 12

The reagents like KMnO4 and HCL cannot be filtered through Gooch crucible if its base is covered with :

Question # 13

During the process of crystallization, the hot saturated solution:

Question # 14

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

Question # 15

The solution left after the formation of crystals is called :

Question # 16

The detection of functional group is called

Question # 17

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

Question # 18

Analytical chemistry is the science of

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

The sample being analyzed is called

Question # 24

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

Question # 25

The filtration process is used to separate solid from

Question # 26

In CCL4 solvent I3 shows:

Question # 27

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

Question # 28

Sintered glass is a porous material use for :

Question # 29

95% ethanol is called :

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
2 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
3 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
4 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
5 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.
6 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
7 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
8 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
9 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.
10 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.

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