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

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

Question # 2

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

Question # 3

95% ethanol is called:

Question # 4

The sample being analyzed is called :

Question # 5

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

Question # 6

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

Question # 7

Which one of the following substance is use as decolonizing agent

Question # 8

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

Question # 9

Naphthalene, iodine and NH4 can :

Question # 10

The filtration process is used to separate solid from

Question # 11

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

Question # 12

The solid remained on filter paper during filtration is called the

Question # 13

The sample being analyzed is called:

Question # 14

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

Question # 15

Direct conversion of solid into vapors is called :

Question # 16

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

Question # 17

Sintered glass is porous material used for:

Question # 18

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

Question # 19

Without proper suction,filtration is:

Question # 20

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

Question # 21

During the process of crystallization, the hot saturated solution:

Question # 22

The detection of functional group is called

Question # 23

A complete chemical characterization of a compound must include

Question # 24

Direct conversion of solid intro vapours is called:

Question # 25

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

Question # 26

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

Question # 27

Gooch crucible is made of:

Question # 28

In CCL4 solvent I3 shows:

Question # 29

The filtration process is used to separate solid from:

Question # 30

The solution left after the formation of crystals is called :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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.
2 Selection of filter paper depends upon sizes of particles to be :
A. Tested.
B. Filtered.
C. Checked.
D. All of above.
3 The solid remained on filter paper during the filtration is called the :
A. Substance.
B. Residue.
C. Undue.
D. Filtrate.
4 Analytical chemistry is the science of
A. Chemical characterization
B. Physical characterization
C. Biological characterization
D. Biochemical characterization
5 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
6 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.
7 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
8 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
9 The filtration process is used to separate solid from:
A. Liquid
B. Gas
C. Solid
D. All of above
10 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.

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