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

Question # 2

Direct conversion of solid into vapors is called :

Question # 3

In CCL4 solvent I3 shows:

Question # 4

The detection of functional group is called:

Question # 5

Gooch crucible is made of:

Question # 6

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

Question # 7

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

Question # 8

The detection of functional group is called

Question # 9

Estimation of Na in sea water is an example of

Question # 10

Estimation of Na in sea water is an example of :

Question # 11

Analytical chemistry is the science of :

Question # 12

The sample being analyzed is called:

Question # 13

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

Question # 14

Naphthalene, iodine and NH4 can :

Question # 15

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

Question # 16

Without proper suction filtration is

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

Chromatography is derived from Greek word 'Khromatos' means:

Question # 21

The sample being analyzed is called

Question # 22

Direct conversion of solid intro vapours is called:

Question # 23

The detection of functional group is called :

Question # 24

Which one of the following substances is used to decolourizing agent

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

The sample being analyzed is called :

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 Fluted filter paper is used to:
A. Decrease rate of filtration
B. Increase rate of filtration
C. Maintain rate of filtration
D. None of above
3 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.
4 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
5 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis
6 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
7 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above
8 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
9 The filtration process is used to separate solid from
A. Liquid
B. Gas
C. Solid
D. All of above
10 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.

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