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 equilibrium process and it is controlled by :

Question # 2

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

Question # 3

Estimation of Na in sea water is an example of

Question # 4

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

Question # 5

During the process of crystallization, the hot saturated solution:

Question # 6

Analytical chemistry is the science of

Question # 7

A complete chemical characterization of a compound must include

Question # 8

Without proper suction,filtration is:

Question # 9

Gooch crucible is made of:

Question # 10

The sample being analyzed is called :

Question # 11

Direct conversion of solid into vapors is called :

Question # 12

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

Question # 13

95% ethanol is called:

Question # 14

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

Question # 15

In chromatography, the point at which solvent maximum rises called:

Question # 16

The sample being analyzed is called

Question # 17

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

Question # 18

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

Question # 19

The detection of functional group is called

Question # 20

Chromatography is derived from Greek word 'Khromatos' means:

Question # 21

The filtration process is used to separate solid from

Question # 22

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

Question # 23

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

Question # 24

Naphthalene, iodine and NH4 can :

Question # 25

The solid remained on filter paper during filtration is called the

Question # 26

Sintered glass is porous material used for:

Question # 27

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

Question # 28

Which one of the following substances is used to decolourizing agent

Question # 29

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

Question # 30

Proteins and amino acid can be separated by:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
2 The sample being analyzed is called
A. Electrolyte
B. Substance
C. Analyte
D. All of above
3 Solvent extraction method is a particularly useful technique of separation when the product to be separated is:
A. non-volatile or thermally unstable.
B. volatile or thermally stable.
C. non-volatile or thermally stable.
D. volatile or thermally unstable.
4 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
5 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
6 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
7 The sample being analyzed is called:
A. Electrolyte
B. Residue
C. Undue
D. Filtrate
8 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
9 A suitable solvent should dissolve maximum amount of solute at its boiling point and minimum amount at :
A. Freezing point.
B. Room temperature.
C. Boiling point.
D. Sea level temperature.
10 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis

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