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 filtration process is used to separate solid from

Question # 2

Fluted filter paper is used to :

Question # 3

Without proper suction,filtration is:

Question # 4

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

Question # 5

In CCL4 solvent I3 shows:

Question # 6

Sintered glass is a porous material use for :

Question # 7

The solid remained on filter paper during filtration is called the

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The sample being analyzed is called:

Question # 12

The other name for distribution law is

Question # 13

A complete chemical characterization of a compound must include

Question # 14

Gooch crucible is made of:

Question # 15

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

Question # 16

Estimation of Na in sea water is an example of

Question # 17

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

Question # 18

Which one of the following substance is use as decolonizing agent

Question # 19

Direct conversion of solid intro vapours is called:

Question # 20

95% ethanol is called :

Question # 21

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

Question # 22

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

Question # 23

Which one of the following substances is used to decolourizing agent

Question # 24

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

Question # 25

Analytical chemistry is the science of :

Question # 26

Without proper suction filtration is

Question # 27

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

Question # 28

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

Question # 29

The sample being analyzed is called :

Question # 30

A complete chemical Characterization of a compound must include:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The solid remained on filter paper during the filtration is called the :
A. Substance.
B. Residue.
C. Undue.
D. Filtrate.
2 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
3 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
4 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
5 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.
6 Direct conversion of solid intro vapours is called:
A. Crystallization
B. Sublimation
C. Obligation
D. Vapourization
7 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
8 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
9 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
10 In CCL4 solvent I3 shows:
A. Blue Color
B. Brown Color
C. Purple Color
D. Pink Color

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