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

Which one of the following substance is use as decolonizing agent

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

Gooch crucible is made of:

Question # 5

Estimation of Na in sea water is an example of

Question # 6

The other name for distribution law is

Question # 7

A complete chemical characterization of a compound must include

Question # 8

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

Question # 9

Estimation of Na in sea water is an example of :

Question # 10

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

Question # 11

Sintered glass is porous material used for:

Question # 12

Fluted filter paper is used to:

Question # 13

The filtration process is used to separate solid from:

Question # 14

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

Question # 15

The sample being analyzed is called

Question # 16

Fluted filter paper is used to :

Question # 17

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

Question # 18

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

Question # 19

During the process of crystallization, the hot saturated solution:

Question # 20

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

Question # 21

The filtration process is used to to separate solid from :

Question # 22

Proteins and amino acid can be separated by:

Question # 23

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

Question # 24

Sintered glass is a porous material use for :

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

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

Question # 28

Analytical chemistry is the science of

Question # 29

The detection of functional group 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 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
2 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.
3 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.
4 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
5 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
6 The apex angle of the folded filter paper is slightly greater is termed as:
A. 60 degree
B. 30 degree
C. 45 degree
D. 90 degree
7 Selection of filter paper depends upon sizes of particles to be :
A. Tested.
B. Filtered.
C. Checked.
D. All of above.
8 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
9 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
10 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)

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