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

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

Question # 2

Which one of the following substances is used to decolourizing agent

Question # 3

Analytical chemistry is the science of

Question # 4

Which one of the following substance is use as decolonizing agent

Question # 5

Direct conversion of solid intro vapours is called:

Question # 6

95% ethanol is called :

Question # 7

Fluted filter paper is used to:

Question # 8

The filtration process is used to separate solid from:

Question # 9

The filtration process is used to separate solid from

Question # 10

During the process of crystallization, the hot saturated solution:

Question # 11

Without proper suction filtration is

Question # 12

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

Question # 13

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

Question # 14

Naphthalene, iodine and NH4 can :

Question # 15

The solution left after the formation of crystals is called :

Question # 16

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

Question # 17

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

Question # 18

Gooch crucible is made of:

Question # 19

The detection of functional group is called :

Question # 20

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

Question # 21

Analytical chemistry is the science of :

Question # 22

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

Question # 23

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

Question # 24

The other name for distribution law is

Question # 25

A complete chemical characterization of a compound must include

Question # 26

The detection of functional group is called

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid
2 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.
3 The filtration process is used to separate solid from:
A. Liquid
B. Gas
C. Solid
D. All of above
4 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
5 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
6 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.
7 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
8 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
9 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
10 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process

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