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

Question # 2

The solution left after the formation of crystals is called :

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

The solid remained on filter paper during filtration is called the

Question # 7

The sample being analyzed is called :

Question # 8

Fluted filter paper is used to :

Question # 9

The sample being analyzed is called:

Question # 10

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

Question # 11

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

Question # 12

The detection of functional group is called:

Question # 13

The filtration process is used to separate solid from:

Question # 14

In CCL4 solvent I3 shows:

Question # 15

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

Question # 16

Sintered glass is a porous material use for :

Question # 17

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

Question # 18

Sintered glass is porous material used for:

Question # 19

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

Question # 20

During the process of crystallization, the hot saturated solution:

Question # 21

Analytical chemistry is the science of :

Question # 22

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

Question # 23

Which one of the following substances is used to decolourizing agent

Question # 24

The filtration process is used to to separate solid from :

Question # 25

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

Question # 26

Direct conversion of solid intro vapours is called:

Question # 27

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

Question # 28

95% ethanol is called:

Question # 29

Chromatography is derived from Greek word 'Khromatos' means:

Question # 30

Analytical chemistry is the science of

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
2 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.
3 The reagents like KMnO4 and HCL cannot be filtered through Gooch crucible if its base is covered with :
A. Butterfly paper.
B. Ordinay paper.
C. Flying paper.
D. Filter paper.
4 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
5 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
6 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
7 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.
8 Solvent extraction is an equilibrium process and it is controlled by :
A. law of mass action.
B. the amount of solvent used.
C. distribution law.
D. the amount of solute.
9 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
10 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination

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