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

Without proper suction,filtration is:

Question # 2

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

Question # 3

Without proper suction filtration is

Question # 4

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

Question # 5

The detection of functional group is called

Question # 6

The other name for distribution law is

Question # 7

Fluted filter paper is used to:

Question # 8

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

Question # 9

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

Question # 10

The solid remained on filter paper during the filtration is called the :

Question # 11

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

Question # 12

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

Question # 13

The solid remained on filter paper during filtration is called the

Question # 14

Direct conversion of solid intro vapours is called:

Question # 15

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

Question # 16

Estimation of Na in sea water is an example of :

Question # 17

A complete chemical characterization of a compound must include

Question # 18

Fluted filter paper is used to :

Question # 19

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

Question # 20

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

Question # 21

The sample being analyzed is called:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

Gooch crucible is made of:

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

A complete chemical Characterization of a compound must include:

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
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 other name for distribution law is
A. Dispersive law
B. Partition law
C. Avogadro's law
D. separation law
4 The filtration process is used to separate solid from:
A. Liquid
B. Gas
C. Solid
D. All of above
5 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
6 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
7 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
8 Selection of filter paper depends upon sizes of particles to be:
A. Tested
B. Filtered
C. Checked
D. All of above
9 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
10 Solvent extraction is an unstable, Process and it is called by:
A. The amount of solute
B. Distribution law
C. The amount of solvent used
D. Law of mass action

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