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 solution left after the formation of crystals is called :

Question # 3

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

Question # 4

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

Question # 5

Which one of the following substances is used to decolourizing agent

Question # 6

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

Question # 7

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

Question # 8

Direct conversion of solid intro vapours is called:

Question # 9

The sample being analyzed is called :

Question # 10

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

Question # 11

Gooch crucible is made of:

Question # 12

The other name for distribution law is

Question # 13

Sintered glass is a porous material use for :

Question # 14

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

Question # 15

The filtration process is used to to separate solid from :

Question # 16

Estimation of Na in sea water is an example of

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:

Question # 21

A complete chemical Characterization of a compound must include:

Question # 22

Fluted filter paper is used to :

Question # 23

The sample being analyzed is called:

Question # 24

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

Question # 25

Proteins and amino acid can be separated by:

Question # 26

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

Question # 27

The filtration process is used to separate solid from:

Question # 28

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

Question # 29

95% ethanol is called:

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
2 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.
3 The detection of functional group is called :
A. Numerical analysis.
B. Qualitative analysis.
C. Combustion analysis.
D. Quantitative analysis.
4 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
5 Analytical chemistry is the science of
A. Chemical characterization
B. Physical characterization
C. Biological characterization
D. Biochemical characterization
6 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
7 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
8 The reagents like KMnO4 and HCL cannot be filtered through Gooch crucible if its base is covered with :
A. Butterfly paper.
B. Ordinay paper.
C. Flying paper.
D. Filter paper.
9 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
10 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid

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