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

The sample being analyzed is called:

Question # 2

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

Question # 3

Naphthalene, iodine and NH4 can :

Question # 4

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

Question # 5

The other name for distribution law is

Question # 6

Fluted filter paper is used to :

Question # 7

Estimation of Na in sea water is an example of :

Question # 8

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

Question # 9

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

Question # 10

During the process of crystallization, the hot saturated solution:

Question # 11

Proteins and amino acid can be separated by:

Question # 12

Which one of the following substances is used to decolourizing agent

Question # 13

The detection of functional group is called :

Question # 14

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

Question # 15

Sintered glass is a porous material use for :

Question # 16

The filtration process is used to separate solid from:

Question # 17

Analytical chemistry is the science of :

Question # 18

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

Question # 19

Which one of the following substance is use as decolonizing agent

Question # 20

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

Question # 21

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

Question # 22

Chromatography is derived from Greek word 'Khromatos' means:

Question # 23

The solution left after the formation of crystals is called :

Question # 24

The detection of functional group is called

Question # 25

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

Question # 26

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

Question # 27

In CCL4 solvent I3 shows:

Question # 28

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

Question # 29

The filtration process is used to to separate solid from :

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
2 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
3 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
4 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
5 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis
6 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.
7 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
8 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.
9 Analytical chemistry is the science of :
A. Chemical Characterization.
B. Physical Characterization.
C. Biological Characterization.
D. Biochemical Characterization.
10 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate

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