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

Question # 2

Gooch crucible is made of:

Question # 3

95% ethanol is called:

Question # 4

Sintered glass is a porous material use for :

Question # 5

The filtration process is used to separate solid from

Question # 6

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

Question # 7

The detection of functional group is called:

Question # 8

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

Question # 9

95% ethanol is called :

Question # 10

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

Question # 11

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

Question # 12

Without proper suction filtration is

Question # 13

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

Question # 14

Fluted filter paper is used to :

Question # 15

In CCL4 solvent I3 shows:

Question # 16

The filtration process is used to to separate solid from :

Question # 17

Sintered glass is porous material used for:

Question # 18

The solid remained on filter paper during filtration is called the

Question # 19

Direct conversion of solid intro vapours is called:

Question # 20

Chromatography is derived from Greek word 'Khromatos' means:

Question # 21

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

Question # 22

The detection of functional group is called :

Question # 23

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

Question # 24

A complete chemical Characterization of a compound must include:

Question # 25

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

Question # 26

Estimation of Na in sea water is an example of

Question # 27

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

Question # 28

The solution left after the formation of crystals is called :

Question # 29

The detection of functional group is called

Question # 30

Without proper suction,filtration is:

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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 Solvent extraction is an equilibrium process and it is controlled by :
A. law of mass action.
B. the amount of solvent used.
C. distribution law.
D. the amount of solute.
3 The liquid obtained after passing the mixture through filter paper is termed as:
A. Extract
B. Residue
C. Filtrate
D. Sample
4 The tip of funnel should be 1 or 2cm larger than the circle of the
A. Beaker
B. Solid
C. Filter paper
D. Liquid
5 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.
6 The sample being analyzed is called :
A. Electrolyte.
B. Substance.
C. Analyte.
D. All of above.
7 Gooch crucible is made of:
A. Brass
B. Porcelain
C. Bronze
D. .Gold
8 Which one of the following substance is no used as drying agent in desiccators
A. Silica gel
B. CaCl2
C. Phosphorous
D. NaCL(50%)
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 Identification of a substance, determination of its structure and quantitative analysis of its composition are the aspects covered by
A. Modern analytical physics
B. Mechanical chemistry
C. Biochemistry
D. Modern analytical chemistry

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