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

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

Question # 2

Which one of the following substance is use as decolonizing agent

Question # 3

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

Question # 4

Chromatography is derived from Greek word 'Khromatos' means:

Question # 5

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

Question # 6

Analytical chemistry is the science of :

Question # 7

Fluted filter paper is used to :

Question # 8

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

Question # 9

Without proper suction filtration is

Question # 10

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

Question # 11

Analytical chemistry is the science of

Question # 12

The detection of functional group is called :

Question # 13

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

Question # 14

The filtration process is used to to separate solid from :

Question # 15

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

Question # 16

The solution left after the formation of crystals is called :

Question # 17

The detection of functional group is called:

Question # 18

In CCL4 solvent I3 shows:

Question # 19

The other name for distribution law is

Question # 20

Solvent extraction is an equilibrium process and it is controlled by :

Question # 21

The detection of functional group is called

Question # 22

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

Question # 23

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

Question # 24

95% ethanol is called:

Question # 25

Estimation of Na in sea water is an example of :

Question # 26

Proteins and amino acid can be separated by:

Question # 27

The sample being analyzed is called:

Question # 28

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

Question # 29

The solid remained on filter paper during filtration is called the

Question # 30

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

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Sr.# Question Answer
1 Estimation of Na in sea water is an example of :
A. Numerical analysis.
B. Qualitative analysis.
C. Quantitative analysis.
D. None of above.
2 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
3 Proteins and amino acid can be separated by:
A. Filtration
B. Sublimation
C. Chromatography
D. Suction
4 Sintered glass is a porous material use for :
A. Absorpton
B. Decoration.
C. Filtration.
D. All of above.
5 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
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 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
8 Analytical chemistry is the science of :
A. Chemical Characterization.
B. Physical Characterization.
C. Biological Characterization.
D. Biochemical Characterization.
9 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
10 The filtration process is used to to separate solid from :
A. Liquid.
B. Gas.
C. Solid.
D. All of above.

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