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 solid remained on filter paper during filtration is called the

Question # 2

In CCL4 solvent I3 shows:

Question # 3

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

Question # 4

Fluted filter paper is used to :

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

A complete chemical Characterization of a compound must include:

Question # 9

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

Question # 10

95% ethanol is called:

Question # 11

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

Question # 12

Direct conversion of solid intro vapours is called:

Question # 13

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

Question # 14

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

Question # 15

Chromatography is derived from Greek word 'Khromatos' means:

Question # 16

Which one of the following substance is use as decolonizing agent

Question # 17

Gooch crucible is made of:

Question # 18

Estimation of Na in sea water is an example of

Question # 19

The filtration process is used to separate solid from:

Question # 20

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

Question # 21

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

Question # 22

Analytical chemistry is the science of

Question # 23

A complete chemical characterization of a compound must include

Question # 24

The sample being analyzed is called:

Question # 25

The filtration process is used to to separate solid from :

Question # 26

Which one of the following substances is used to decolourizing agent

Question # 27

95% ethanol is called :

Question # 28

Estimation of Na in sea water is an example of :

Question # 29

The sample being analyzed is called

Question # 30

Fluted filter paper is used to:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 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.
2 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
3 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
4 A complete chemical Characterization of a compound must include:
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. None of above
5 Sintered glass is porous material used for:
A. Absorption
B. Decoration
C. Filtration
D. All of above
6 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
7 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
8 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid
9 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color
10 The liquid obtained after passing the mixture through filter paper is termed as :
A. Extract.
B. Residue.
C. Filtrate.
D. Sample.

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