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

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

Question # 2

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

Question # 3

Which one of the following substances is used to decolourizing agent

Question # 4

Sintered glass is porous material used for:

Question # 5

Direct conversion of solid into vapors is called :

Question # 6

The sample being analyzed is called:

Question # 7

Fluted filter paper is used to:

Question # 8

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

Question # 9

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

Question # 10

The solution left after the formation of crystals is called :

Question # 11

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

Question # 12

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

Question # 13

Analytical chemistry is the science of :

Question # 14

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

Question # 15

A complete chemical Characterization of a compound must include:

Question # 16

Gooch crucible is made of:

Question # 17

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

Question # 18

Naphthalene, iodine and NH4 can :

Question # 19

A complete chemical characterization of a compound must include

Question # 20

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

Question # 21

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

Question # 22

Chromatography is derived from Greek word 'Khromatos' means:

Question # 23

The filtration process is used to separate solid from:

Question # 24

Fluted filter paper is used to :

Question # 25

The other name for distribution law is

Question # 26

Proteins and amino acid can be separated by:

Question # 27

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

Question # 28

95% ethanol is called:

Question # 29

Without proper suction filtration is

Question # 30

The detection of functional group is called

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ECAT Class Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:
A. If the paper covers the funnel up to its circumstances
B. If the paper has got small sized pores in
C. If the stem of funnel is large so that it dips in to filtrate
D. If the paper fits tightly.
2 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
3 Solvent extraction is an equilibrium process and it is controlled by :
A. law of mass action.
B. the amount of solvent used.
C. distribution law.
D. the amount of solute.
4 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
5 The detection of functional group is called :
A. Numerical analysis.
B. Qualitative analysis.
C. Combustion analysis.
D. Quantitative analysis.
6 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.
7 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
8 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
9 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
10 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°

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