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

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Question # 1

Which one of the following substance is use as decolonizing agent

Question # 2

Fluted filter paper is used to :

Question # 3

Proteins and amino acid can be separated by:

Question # 4

The sample being analyzed is called :

Question # 5

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

Question # 6

Direct conversion of solid into vapors is called :

Question # 7

Sintered glass is a porous material use for :

Question # 8

A complete chemical characterization of a compound must include

Question # 9

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

Question # 10

Fluted filter paper is used to:

Question # 11

Sintered glass is porous material used for:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The solid remained on filter paper during filtration is called the

Question # 16

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

Question # 17

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

Question # 18

The other name for distribution law is

Question # 19

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

Question # 20

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

Question # 21

The filtration process is used to separate solid from

Question # 22

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

Question # 23

The sample being analyzed is called

Question # 24

Which one of the following substances is used to decolourizing agent

Question # 25

During the process of crystallization, the hot saturated solution:

Question # 26

Estimation of Na in sea water is an example of

Question # 27

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

Question # 28

In CCL4 solvent I3 shows:

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The liquid obtained after passing the mixture through filter paper is termed as:
A. Extract
B. Residue
C. Filtrate
D. Sample
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 tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
4 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
5 The reagents like KMnO4 and HCL cannot be filtered through Gooch crucible if its base is covered with :
A. Butterfly paper.
B. Ordinay paper.
C. Flying paper.
D. Filter paper.
6 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
7 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
8 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
9 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
10 The apex angle of the folded filter paper is slightly greater is termed as:
A. 60 degree
B. 30 degree
C. 45 degree
D. 90 degree

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