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

Analytical chemistry is the science of :

Question # 2

A complete chemical Characterization of a compound must include:

Question # 3

Direct conversion of solid intro vapours is called:

Question # 4

Which one of the following substances is used to decolourizing agent

Question # 5

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

Question # 6

Without proper suction filtration is

Question # 7

Direct conversion of solid into vapors is called :

Question # 8

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

Question # 9

The detection of functional group is called :

Question # 10

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

Question # 11

The detection of functional group is called:

Question # 12

Estimation of Na in sea water is an example of

Question # 13

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

Question # 14

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

Question # 15

A complete chemical characterization of a compound must include

Question # 16

Fluted filter paper is used to :

Question # 17

Sintered glass is a porous material use for :

Question # 18

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

Question # 19

95% ethanol is called :

Question # 20

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

Question # 21

The filtration process is used to separate solid from

Question # 22

The solution left after the formation of crystals is called :

Question # 23

Chromatography is derived from Greek word 'Khromatos' means:

Question # 24

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

Question # 25

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

Question # 26

The sample being analyzed is called:

Question # 27

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

Question # 28

95% ethanol is called:

Question # 29

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

Question # 30

Naphthalene, iodine and NH4 can :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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.
2 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
3 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
4 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
5 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.
6 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
7 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
8 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
9 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
10 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate

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