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

The detection of functional group is called

Question # 2

Which one of the following substances is used to decolourizing agent

Question # 3

A complete chemical characterization of a compound must include

Question # 4

95% ethanol is called :

Question # 5

Direct conversion of solid intro vapours is called:

Question # 6

The sample being analyzed is called :

Question # 7

Fluted filter paper is used to :

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Fluted filter paper is used to:

Question # 15

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

Question # 16

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

Question # 17

The sample being analyzed is called

Question # 18

Gooch crucible is made of:

Question # 19

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

Question # 20

Without proper suction,filtration is:

Question # 21

Direct conversion of solid into vapors is called :

Question # 22

The other name for distribution law is

Question # 23

The solid remained on filter paper during filtration is called the

Question # 24

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

Question # 25

Estimation of Na in sea water is an example of :

Question # 26

The sample being analyzed is called:

Question # 27

The solution left after the formation of crystals is called :

Question # 28

The filtration process is used to separate solid from

Question # 29

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

Question # 30

A complete chemical Characterization of a compound must include:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing
2 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
3 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.
4 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
5 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
6 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
7 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.
8 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
9 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
10 During the process of crystallization, the hot saturated solution:
A. is cooled very slowly to get large size crystals
B. is cooled at a moderate rate to get medium sized crystals of the product
C. is evaporated to get the crystals of the products
D. is mixed with an immiscible liquid to get the pure crystals of the product.

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