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

The solution left after the formation of crystals is called :

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

The filtration process is used to separate solid from

Question # 8

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

Question # 9

Sintered glass is porous material used for:

Question # 10

The other name for distribution law is

Question # 11

Analytical chemistry is the science of

Question # 12

95% ethanol is called:

Question # 13

95% ethanol is called :

Question # 14

The sample being analyzed is called :

Question # 15

The detection of functional group is called:

Question # 16

The detection of functional group is called

Question # 17

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

Question # 18

The detection of functional group is called :

Question # 19

A complete chemical Characterization of a compound must include:

Question # 20

The sample being analyzed is called:

Question # 21

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

Question # 22

Direct conversion of solid into vapors is called :

Question # 23

The filtration process is used to to separate solid from :

Question # 24

Without proper suction,filtration is:

Question # 25

The solid remained on filter paper during filtration is called the

Question # 26

Fluted filter paper is used to :

Question # 27

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

Question # 28

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

Question # 29

During the process of crystallization, the hot saturated solution:

Question # 30

Analytical chemistry is the science of :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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.
2 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
3 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
4 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
5 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
6 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
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 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
9 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
10 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis

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