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

In CCL4 solvent I3 shows:

Question # 3

A complete chemical Characterization of a compound must include:

Question # 4

Fluted filter paper is used to :

Question # 5

The other name for distribution law is

Question # 6

Which one of the following substance is use as decolonizing agent

Question # 7

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

Question # 8

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

Question # 9

Direct conversion of solid intro vapours is called:

Question # 10

A complete chemical characterization of a compound must include

Question # 11

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

Question # 12

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

Question # 13

The filtration process is used to to separate solid from :

Question # 14

Sintered glass is porous material used for:

Question # 15

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

Question # 16

The detection of functional group is called:

Question # 17

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

Question # 18

Fluted filter paper is used to:

Question # 19

The solution left after the formation of crystals is called :

Question # 20

The filtration process is used to separate solid from

Question # 21

The sample being analyzed is called:

Question # 22

The sample being analyzed is called :

Question # 23

Gooch crucible is made of:

Question # 24

Without proper suction filtration is

Question # 25

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

Question # 26

The detection of functional group is called :

Question # 27

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

Question # 28

The detection of functional group is called

Question # 29

The filtration process is used to separate solid from:

Question # 30

The sample being analyzed is called

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
2 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
3 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
4 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.
5 During the process of crystallization, the hot saturated solution:
A. is cooled very slowly to get large size crystals
B. is cooled at a moderate rate to get medium sized crystals of the product
C. is evaporated to get the crystals of the products
D. is mixed with an immiscible liquid to get the pure crystals of the product.
6 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
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 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.
9 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing
10 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.

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