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

A complete chemical Characterization of a compound must include:

Question # 2

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

Question # 3

The solution left after the formation of crystals is called :

Question # 4

Estimation of Na in sea water is an example of

Question # 5

The other name for distribution law is

Question # 6

Sintered glass is porous material used for:

Question # 7

Estimation of Na in sea water is an example of :

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Naphthalene, iodine and NH4 can :

Question # 12

Fluted filter paper is used to :

Question # 13

95% ethanol is called :

Question # 14

Without proper suction,filtration is:

Question # 15

During the process of crystallization, the hot saturated solution:

Question # 16

Fluted filter paper is used to:

Question # 17

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

Question # 18

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

Question # 19

The detection of functional group is called

Question # 20

Analytical chemistry is the science of

Question # 21

Which one of the following substance is use as decolonizing agent

Question # 22

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

Question # 23

Gooch crucible is made of:

Question # 24

The sample being analyzed is called:

Question # 25

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

Question # 26

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

Question # 27

Sintered glass is a porous material use for :

Question # 28

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

Question # 29

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

Question # 30

In CCL4 solvent I3 shows:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
2 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
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 The apex angle of the folded filter paper is slightly greater is termed as:
A. 60 degree
B. 30 degree
C. 45 degree
D. 90 degree
5 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
6 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
7 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
8 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
9 The detection of functional group is called :
A. Numerical analysis.
B. Qualitative analysis.
C. Combustion analysis.
D. Quantitative analysis.
10 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above

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