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

Estimation of Na in sea water is an example of :

Question # 2

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

Question # 3

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

Question # 4

The solid remained on filter paper during filtration is called the

Question # 5

95% ethanol is called :

Question # 6

The solution left after the formation of crystals is called :

Question # 7

Fluted filter paper is used to:

Question # 8

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

Question # 9

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

Question # 10

A complete chemical characterization of a compound must include

Question # 11

The detection of functional group is called:

Question # 12

The sample being analyzed is called

Question # 13

Fluted filter paper is used to :

Question # 14

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

Question # 15

Gooch crucible is made of:

Question # 16

Without proper suction,filtration is:

Question # 17

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

Question # 18

Which one of the following substances is used to decolourizing agent

Question # 19

The detection of functional group is called

Question # 20

Which one of the following substance is use as decolonizing agent

Question # 21

Estimation of Na in sea water is an example of

Question # 22

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

Question # 23

In CCL4 solvent I3 shows:

Question # 24

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

Question # 25

The filtration process is used to separate solid from

Question # 26

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

Question # 27

The filtration process is used to separate solid from:

Question # 28

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

Question # 29

The filtration process is used to to separate solid from :

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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.
2 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
3 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid
4 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
5 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
6 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
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 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
9 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
10 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process

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