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

Direct conversion of solid intro vapours is called:

Question # 2

Estimation of Na in sea water is an example of

Question # 3

Direct conversion of solid into vapors is called :

Question # 4

A complete chemical Characterization of a compound must include:

Question # 5

Sintered glass is a porous material use for :

Question # 6

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

Question # 7

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

Question # 8

In CCL4 solvent I3 shows:

Question # 9

Estimation of Na in sea water is an example of :

Question # 10

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

Question # 11

The detection of functional group is called:

Question # 12

Without proper suction filtration is

Question # 13

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

Question # 14

Gooch crucible is made of:

Question # 15

95% ethanol is called :

Question # 16

The detection of functional group is called :

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

Analytical chemistry is the science of

Question # 20

Which one of the following substances is used to decolourizing agent

Question # 21

The solid remained on filter paper during filtration is called the

Question # 22

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

Question # 23

Without proper suction,filtration is:

Question # 24

Sintered glass is porous material used for:

Question # 25

Proteins and amino acid can be separated by:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
2 The comparative rates at which the solutes move in paper chromatography, depend on:
A. the size of per sued.
B. Rf values of solutes
C. temperature of the experiment
D. size of the chromatography tank used.
3 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid
4 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
5 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
6 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
7 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
8 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
9 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
10 The liquid obtained after passing the mixture through filter paper is termed as:
A. Extract
B. Residue
C. Filtrate
D. Sample

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