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 detection of functional group is called :

Question # 2

Fluted filter paper is used to :

Question # 3

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

Question # 4

95% ethanol is called :

Question # 5

Direct conversion of solid intro vapours is called:

Question # 6

Estimation of Na in sea water is an example of :

Question # 7

The sample being analyzed is called :

Question # 8

Sintered glass is porous material used for:

Question # 9

Which one of the following substances is used to decolourizing agent

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

Gooch crucible is made of:

Question # 16

During the process of crystallization, the hot saturated solution:

Question # 17

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

Question # 18

The detection of functional group is called:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

A complete chemical characterization of a compound must include

Question # 23

Direct conversion of solid into vapors is called :

Question # 24

The filtration process is used to separate solid from

Question # 25

Without proper suction filtration is

Question # 26

The solid remained on filter paper during filtration is called the

Question # 27

The sample being analyzed is called:

Question # 28

Without proper suction,filtration is:

Question # 29

In CCL4 solvent I3 shows:

Question # 30

Naphthalene, iodine and NH4 can :

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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 The solution left after the formation of crystals is called :
A. Residue.
B. Filtrate.
C. Mother liquor.
D. None of these.
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 During the process of crystallization, the hot saturated solution:
A. is cooled very slowly to get large size crystals
B. is cooled at a moderate rate to get medium sized crystals of the product
C. is evaporated to get the crystals of the products
D. is mixed with an immiscible liquid to get the pure crystals of the product.
5 Direct conversion of solid into vapors is called :
A. Crystallization
B. Sublimation
C. Obligation
D. Vaporization.
6 Analytical chemistry is the science of :
A. Chemical Characterization.
B. Physical Characterization.
C. Biological Characterization.
D. Biochemical Characterization.
7 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)
8 The other name for distribution law is
A. Dispersive law
B. Partition law
C. Avogadro's law
D. separation law
9 The tip of the funnel should touch the side of the beaker in order to avoid
A. Splashing
B. Leakage
C. Mixing
D. Contamination
10 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.

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