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

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

Question # 3

Without proper suction,filtration is:

Question # 4

In CCL4 solvent I3 shows:

Question # 5

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

Question # 6

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

Question # 7

The filtration process is used to separate solid from

Question # 8

Without proper suction filtration is

Question # 9

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

Question # 10

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

Question # 11

A complete chemical characterization of a compound must include

Question # 12

Direct conversion of solid into vapors is called :

Question # 13

Which one of the following substances is used to decolourizing agent

Question # 14

Naphthalene, iodine and NH4 can :

Question # 15

The other name for distribution law is

Question # 16

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

Question # 17

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

Question # 18

Gooch crucible is made of:

Question # 19

The detection of functional group is called:

Question # 20

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

Question # 21

Estimation of Na in sea water is an example of

Question # 22

The detection of functional group is called

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

95% ethanol is called :

Question # 27

Direct conversion of solid intro vapours is called:

Question # 28

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

Question # 29

Analytical chemistry is the science of

Question # 30

The sample being analyzed is called :

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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 solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
3 The other name for distribution law is
A. Dispersive law
B. Partition law
C. Avogadro's law
D. separation law
4 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction
5 The filtration process is used to to separate solid from :
A. Liquid.
B. Gas.
C. Solid.
D. All of above.
6 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.
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 solid remained on filter paper during the filtration is called the :
A. Substance.
B. Residue.
C. Undue.
D. Filtrate.
9 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
10 Estimation of Na in sea water is an example of
A. Numerical analysis
B. Qualitative analysis
C. Quantitative analysis
D. None of above

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