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

Estimation of Na in sea water is an example of :

Question # 2

The sample being analyzed is called

Question # 3

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

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 intro vapours is called:

Question # 6

Proteins and amino acid can be separated by:

Question # 7

Fluted filter paper is used to :

Question # 8

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

Question # 9

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

Question # 10

95% ethanol is called:

Question # 11

In CCL4 solvent I3 shows:

Question # 12

The filtration process is used to separate solid from:

Question # 13

The detection of functional group is called:

Question # 14

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

Question # 15

The detection of functional group is called

Question # 16

Which one of the following substance is use as decolonizing agent

Question # 17

During the process of crystallization, the hot saturated solution:

Question # 18

The filtration process is used to to separate solid from :

Question # 19

Direct conversion of solid into vapors is called :

Question # 20

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

Question # 21

Gooch crucible is made of:

Question # 22

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

Question # 23

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

Question # 24

Without proper suction filtration is

Question # 25

Sintered glass is porous material used for:

Question # 26

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

Question # 27

Sintered glass is a porous material use for :

Question # 28

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

Question # 29

The solid remained on filter paper during filtration is called the

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Identification of a substance, determination of its structure an quantitative analysis of its composition are the aspects covered by:
A. Modern analytical physics.
B. Mechanical chemistry.
C. Biochemistry.
D. Modern analytical chemistry.
2 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
3 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
4 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
5 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
6 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.
7 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
8 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
9 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing
10 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination

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