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

Naphthalene, iodine and NH4 can :

Question # 2

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

Question # 3

Fluted filter paper is used to :

Question # 4

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

Question # 5

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

Question # 6

A complete chemical characterization of a compound must include

Question # 7

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

Question # 8

The filtration process is used to separate solid from:

Question # 9

The detection of functional group is called:

Question # 10

In CCL4 solvent I3 shows:

Question # 11

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

Question # 12

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

Question # 13

The filtration process is used to separate solid from

Question # 14

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

Question # 15

Estimation of Na in sea water is an example of :

Question # 16

The other name for distribution law is

Question # 17

The detection of functional group is called

Question # 18

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

Question # 19

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

Question # 20

The sample being analyzed is called

Question # 21

The filtration process is used to to separate solid from :

Question # 22

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

Question # 23

Without proper suction filtration is

Question # 24

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

Question # 25

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

Question # 26

Direct conversion of solid into vapors is called :

Question # 27

95% ethanol is called :

Question # 28

Sintered glass is a porous material use for :

Question # 29

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

Question # 30

95% ethanol is called:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
2 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
3 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
4 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
5 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
6 The other name for distribution law is
A. Dispersive law
B. Partition law
C. Avogadro's law
D. separation law
7 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
8 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
9 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis
10 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color

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