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

During the process of crystallization, the hot saturated solution:

Question # 2

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

Question # 3

Fluted filter paper is used to :

Question # 4

The other name for distribution law is

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Solvent extraction method is a particularly useful technique of separation when the product to be separated is:

Question # 9

Sintered glass is porous material used for:

Question # 10

Without proper suction filtration is

Question # 11

Direct conversion of solid into vapors is called :

Question # 12

In CCL4 solvent I3 shows:

Question # 13

Sintered glass is a porous material use for :

Question # 14

A complete chemical Characterization of a compound must include:

Question # 15

The solution left after the formation of crystals is called :

Question # 16

The sample being analyzed is called :

Question # 17

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

Question # 18

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

Question # 19

The solid remained on filter paper during filtration is called the

Question # 20

The detection of functional group is called:

Question # 21

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

Question # 22

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

Question # 23

A complete chemical characterization of a compound must include

Question # 24

The sample being analyzed is called

Question # 25

Fluted filter paper is used to:

Question # 26

95% ethanol is called:

Question # 27

95% ethanol is called :

Question # 28

The detection of functional group is called

Question # 29

Gooch crucible is made of:

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
2 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
3 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
4 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.
5 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
6 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
7 A suitable solvent should dissolve maximum amount of solute at its boiling point and minimum amount at :
A. Freezing point.
B. Room temperature.
C. Boiling point.
D. Sea level temperature.
8 The liquid obtained after passing the mixture through filter paper is termed as:
A. Extract
B. Residue
C. Filtrate
D. Sample
9 The comparative rates at which the solutes move in paper chromatography, depend on:
A. the size of per sued.
B. Rf values of solutes
C. temperature of the experiment
D. size of the chromatography tank used.
10 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.

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