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

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

Question # 3

95% ethanol is called:

Question # 4

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

Question # 5

Analytical chemistry is the science of

Question # 6

A complete chemical characterization of a compound must include

Question # 7

The filtration process is used to separate solid from

Question # 8

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

Question # 9

A complete chemical Characterization of a compound must include:

Question # 10

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

Question # 11

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

Question # 12

Estimation of Na in sea water is an example of

Question # 13

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

Question # 14

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

Question # 15

Without proper suction,filtration is:

Question # 16

The solution left after the formation of crystals is called :

Question # 17

Sintered glass is a porous material use for :

Question # 18

During the process of crystallization, the hot saturated solution:

Question # 19

Gooch crucible is made of:

Question # 20

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

Question # 21

The sample being analyzed is called:

Question # 22

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

Question # 23

Chromatography is derived from Greek word 'Khromatos' means:

Question # 24

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

Question # 25

The other name for distribution law is

Question # 26

Direct conversion of solid intro vapours is called:

Question # 27

Naphthalene, iodine and NH4 can :

Question # 28

Estimation of Na in sea water is an example of :

Question # 29

The detection of functional group is called

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Identification of a substance, determination of its structure an quantitative analysis of its composition are the aspects covered by:
A. Modern analytical physics.
B. Mechanical chemistry.
C. Biochemistry.
D. Modern analytical chemistry.
2 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
3 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
4 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
5 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
6 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
7 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)
8 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
9 The filtration process is used to separate solid from:
A. Liquid
B. Gas
C. Solid
D. All of above
10 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.

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