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

The sample being analyzed is called

Question # 2

Analytical chemistry is the science of :

Question # 3

Naphthalene, iodine and NH4 can :

Question # 4

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

Question # 5

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

Question # 6

Direct conversion of solid into vapors is called :

Question # 7

The other name for distribution law is

Question # 8

The solution left after the formation of crystals is called :

Question # 9

Chromatography is derived from Greek word 'Khromatos' means:

Question # 10

A complete chemical characterization of a compound must include

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Sintered glass is porous material used for:

Question # 16

The filtration process is used to separate solid from:

Question # 17

In CCL4 solvent I3 shows:

Question # 18

The filtration process is used to separate solid from

Question # 19

The filtration process is used to to separate solid from :

Question # 20

The sample being analyzed is called :

Question # 21

Sintered glass is a porous material use for :

Question # 22

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

Question # 23

Direct conversion of solid intro vapours is called:

Question # 24

95% ethanol is called:

Question # 25

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

Question # 26

Gooch crucible is made of:

Question # 27

During the process of crystallization, the hot saturated solution:

Question # 28

Estimation of Na in sea water is an example of :

Question # 29

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

Question # 30

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

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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 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
4 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
5 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
6 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)
7 Solvent extraction is an unstable, Process and it is called by:
A. The amount of solute
B. Distribution law
C. The amount of solvent used
D. Law of mass action
8 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
9 Selection of filter paper depends upon sizes of particles to be :
A. Tested.
B. Filtered.
C. Checked.
D. All of above.
10 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.

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