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

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

Question # 2

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

Question # 3

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

Question # 4

The detection of functional group is called:

Question # 5

Naphthalene, iodine and NH4 can :

Question # 6

The filtration process is used to separate solid from

Question # 7

Direct conversion of solid intro vapours is called:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Which one of the following substance is use as decolonizing agent

Question # 12

The filtration process is used to separate solid from:

Question # 13

Analytical chemistry is the science of :

Question # 14

Gooch crucible is made of:

Question # 15

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

Question # 16

Proteins and amino acid can be separated by:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

During the process of crystallization, the hot saturated solution:

Question # 22

Without proper suction filtration is

Question # 23

A complete chemical Characterization of a compound must include:

Question # 24

The sample being analyzed is called

Question # 25

The solution left after the formation of crystals is called :

Question # 26

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

Question # 27

Chromatography is derived from Greek word 'Khromatos' means:

Question # 28

Estimation of Na in sea water is an example of :

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
2 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid
3 Selection of filter paper depends upon sizes of particles to be :
A. Tested.
B. Filtered.
C. Checked.
D. All of above.
4 The filtration process is used to to separate solid from :
A. Liquid.
B. Gas.
C. Solid.
D. All of above.
5 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
6 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
7 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
8 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
9 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
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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