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 detection of functional group is called

Question # 2

A complete chemical characterization of a compound must include

Question # 3

Which one of the following substance is use as decolonizing agent

Question # 4

The solid remained on filter paper during filtration is called the

Question # 5

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

Question # 6

The sample being analyzed is called

Question # 7

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

Question # 8

95% ethanol is called :

Question # 9

Fluted filter paper is used to:

Question # 10

The solution left after the formation of crystals is called :

Question # 11

Sintered glass is porous material used for:

Question # 12

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

Question # 13

Estimation of Na in sea water is an example of :

Question # 14

The filtration process is used to separate solid from:

Question # 15

Without proper suction,filtration is:

Question # 16

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

Question # 17

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

Question # 18

The sample being analyzed is called :

Question # 19

Analytical chemistry is the science of :

Question # 20

The sample being analyzed is called:

Question # 21

The detection of functional group is called:

Question # 22

Gooch crucible is made of:

Question # 23

95% ethanol is called:

Question # 24

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

Question # 25

Fluted filter paper is used to :

Question # 26

The other name for distribution law is

Question # 27

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

Question # 28

A complete chemical Characterization of a compound must include:

Question # 29

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

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 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
2 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.
3 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.
4 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
5 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis
6 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.
7 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.
8 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
9 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
10 Chromatography is derived from Greek word 'Khromatos' means:
A. Type writting
B. Printing
C. Color writing
D. Writing

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