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 filtration process is used to separate solid from

Question # 2

Which one of the following substance is use as decolonizing agent

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

In CCL4 solvent I3 shows:

Question # 7

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

Question # 8

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

Question # 9

Sintered glass is a porous material use for :

Question # 10

The solid remained on filter paper during filtration is called the

Question # 11

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

Question # 12

Gooch crucible is made of:

Question # 13

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

Question # 14

Estimation of Na in sea water is an example of :

Question # 15

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

Question # 16

Fluted filter paper is used to:

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

Chromatography is derived from Greek word 'Khromatos' means:

Question # 20

The detection of functional group is called

Question # 21

The sample being analyzed is called :

Question # 22

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

Question # 23

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

Question # 24

Direct conversion of solid into vapors is called :

Question # 25

Direct conversion of solid intro vapours is called:

Question # 26

Without proper suction filtration is

Question # 27

Analytical chemistry is the science of

Question # 28

The detection of functional group is called:

Question # 29

The filtration process is used to separate solid from:

Question # 30

Proteins and amino acid can be separated by:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
2 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
3 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
4 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
5 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
6 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
7 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.
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 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
10 Solvent extraction method is a particularly useful technique of separation when the product to be separated is:
A. non-volatile or thermally unstable.
B. volatile or thermally stable.
C. non-volatile or thermally stable.
D. volatile or thermally unstable.

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