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

Question # 2

Proteins and amino acid can be separated by:

Question # 3

Estimation of Na in sea water is an example of

Question # 4

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

Question # 5

The detection of functional group is called :

Question # 6

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

Question # 7

Analytical chemistry is the science of

Question # 8

A complete chemical characterization of a compound must include

Question # 9

Analytical chemistry is the science of :

Question # 10

Without proper suction,filtration is:

Question # 11

Chromatography is derived from Greek word 'Khromatos' means:

Question # 12

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

Question # 13

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

Question # 14

The filtration process is used to separate solid from

Question # 15

Estimation of Na in sea water is an example of :

Question # 16

95% ethanol is called:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

In CCL4 solvent I3 shows:

Question # 22

During the process of crystallization, the hot saturated solution:

Question # 23

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

Question # 24

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

Question # 25

The sample being analyzed is called :

Question # 26

The sample being analyzed is called

Question # 27

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

Question # 28

Direct conversion of solid intro vapours is called:

Question # 29

Which one of the following substance is use as decolonizing agent

Question # 30

The detection of functional group is called:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
2 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
3 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
4 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
5 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
6 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
7 The detection of functional group is called :
A. Numerical analysis.
B. Qualitative analysis.
C. Combustion analysis.
D. Quantitative analysis.
8 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
9 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
10 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol

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