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

Which one of the following substances is used to decolourizing agent

Question # 2

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

Question # 3

Analytical chemistry is the science of :

Question # 4

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

Question # 5

Direct conversion of solid into vapors is called :

Question # 6

The sample being analyzed is called

Question # 7

Sintered glass is porous material used for:

Question # 8

Gooch crucible is made of:

Question # 9

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

Question # 10

Fluted filter paper is used to :

Question # 11

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

Question # 12

A complete chemical Characterization of a compound must include:

Question # 13

The sample being analyzed is called :

Question # 14

The filtration process is used to separate solid from

Question # 15

Analytical chemistry is the science of

Question # 16

Estimation of Na in sea water is an example of

Question # 17

95% ethanol is called :

Question # 18

The detection of functional group is called

Question # 19

The detection of functional group is called:

Question # 20

Without proper suction,filtration is:

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Which one of the following substance is use as decolonizing agent

Question # 25

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

Question # 26

95% ethanol is called:

Question # 27

During the process of crystallization, the hot saturated solution:

Question # 28

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

Question # 29

Chromatography is derived from Greek word 'Khromatos' means:

Question # 30

The solution left after the formation of crystals is called :

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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 Solvent extraction is an unstable, Process and it is called by:
A. The amount of solute
B. Distribution law
C. The amount of solvent used
D. Law of mass action
3 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
4 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
5 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.
6 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.
7 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
8 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
9 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
10 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.

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