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

Without proper suction,filtration is:

Question # 2

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

Question # 3

The filtration process is used to separate solid from

Question # 4

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

Question # 5

A complete chemical Characterization of a compound must include:

Question # 6

Chromatography is derived from Greek word 'Khromatos' means:

Question # 7

The sample being analyzed is called

Question # 8

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

Question # 9

Sintered glass is porous material used for:

Question # 10

A complete chemical characterization of a compound must include

Question # 11

Direct conversion of solid into vapors is called :

Question # 12

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

Question # 13

Direct conversion of solid intro vapours is called:

Question # 14

Analytical chemistry is the science of

Question # 15

Gooch crucible is made of:

Question # 16

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

Question # 17

Estimation of Na in sea water is an example of :

Question # 18

The detection of functional group is called :

Question # 19

During the process of crystallization, the hot saturated solution:

Question # 20

The solution left after the formation of crystals is called :

Question # 21

The sample being analyzed is called :

Question # 22

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

Question # 23

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

Question # 24

In CCL4 solvent I3 shows:

Question # 25

95% ethanol is called :

Question # 26

The other name for distribution law is

Question # 27

The detection of functional group is called:

Question # 28

The detection of functional group is called

Question # 29

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

Question # 30

Sintered glass is a porous material use for :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
2 Identification of a substance, determination of its structure and quantitative analysis of its composition are the aspects covered by
A. Modern analytical physics
B. Mechanical chemistry
C. Biochemistry
D. Modern analytical chemistry
3 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
4 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)
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 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
7 The liquid obtained after passing the mixture through filter paper is termed as:
A. Extract
B. Residue
C. Filtrate
D. Sample
8 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
9 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.
10 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.

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