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

Question # 2

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

Question # 3

Without proper suction,filtration is:

Question # 4

Estimation of Na in sea water is an example of :

Question # 5

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

Question # 6

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

Question # 7

In CCL4 solvent I3 shows:

Question # 8

Sintered glass is a porous material use for :

Question # 9

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

Question # 10

The detection of functional group is called:

Question # 11

Which one of the following substance is use as decolonizing agent

Question # 12

Naphthalene, iodine and NH4 can :

Question # 13

The detection of functional group is called :

Question # 14

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

Question # 15

Direct conversion of solid intro vapours is called:

Question # 16

The filtration process is used to separate solid from

Question # 17

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

Question # 18

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

Question # 19

Gooch crucible is made of:

Question # 20

Fluted filter paper is used to:

Question # 21

A complete chemical characterization of a compound must include

Question # 22

Fluted filter paper is used to :

Question # 23

A complete chemical Characterization of a compound must include:

Question # 24

Analytical chemistry is the science of

Question # 25

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

Question # 26

Without proper suction filtration is

Question # 27

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

Question # 28

The detection of functional group is called

Question # 29

95% ethanol is called:

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The liquid obtained after passing the mixture through filter paper is termed as:
A. Extract
B. Residue
C. Filtrate
D. Sample
2 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.
3 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
4 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
5 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
6 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
7 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
8 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
9 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
10 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate

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