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

Chromatography is derived from Greek word 'Khromatos' means:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

Proteins and amino acid can be separated by:

Question # 10

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

Question # 11

Analytical chemistry is the science of :

Question # 12

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

Question # 13

The filtration process is used to separate solid from:

Question # 14

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

Question # 15

Fluted filter paper is used to:

Question # 16

The solution left after the formation of crystals is called :

Question # 17

Direct conversion of solid intro vapours is called:

Question # 18

95% ethanol is called:

Question # 19

Direct conversion of solid into vapors is called :

Question # 20

The sample being analyzed is called:

Question # 21

Which one of the following substances is used to decolourizing agent

Question # 22

The filtration process is used to separate solid from

Question # 23

Without proper suction,filtration is:

Question # 24

Analytical chemistry is the science of

Question # 25

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

Question # 26

95% ethanol is called :

Question # 27

Gooch crucible is made of:

Question # 28

The sample being analyzed is called :

Question # 29

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

Question # 30

The solid remained on filter paper during filtration is called the

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The detection of functional group is called
A. Numerical analysis
B. Qualitative analysis
C. Combustion analysis
D. Quantitative analysis
2 A complete chemical characterization of a compound must include
A. Qualitative analysis
B. Chemical analysis
C. Quantitative analysis
D. Both a and c
3 In chromatography, the point at which solvent maximum rises called:
A. Solvent front
B. Base line
C. Element
D. Chromatogram
4 95% ethanol is called:
A. Rectified other
B. Diesel
C. Rectified spirit
D. Petrol
5 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
6 The detection of functional group is called:
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. Combustion analysis
7 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
8 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.
9 Which one of the following substance is use as decolonizing agent
A. Asbestos
B. Animal charcoal
C. conc, H2SO4
D. Silica gel
10 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

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