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

Question # 2

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

Question # 3

The sample being analyzed is called :

Question # 4

The filtration process is used to separate solid from:

Question # 5

Which one of the following substance is use as decolonizing agent

Question # 6

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

Question # 7

Analytical chemistry is the science of :

Question # 8

Estimation of Na in sea water is an example of :

Question # 9

The filtration process is used to to separate solid from :

Question # 10

The other name for distribution law is

Question # 11

Analytical chemistry is the science of

Question # 12

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

Question # 13

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

Question # 14

Without proper suction filtration is

Question # 15

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

Question # 16

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

Question # 17

Naphthalene, iodine and NH4 can :

Question # 18

Which one of the following substances is used to decolourizing agent

Question # 19

During the process of crystallization, the hot saturated solution:

Question # 20

95% ethanol is called :

Question # 21

The sample being analyzed is called

Question # 22

Direct conversion of solid into vapors is called :

Question # 23

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

Question # 24

Fluted filter paper is used to:

Question # 25

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

Question # 26

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

Question # 27

The detection of functional group is called

Question # 28

Sintered glass is porous material used for:

Question # 29

Without proper suction,filtration is:

Question # 30

The detection of functional group is called:

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 Identification of a substance, determination of its structure an quantitative analysis of its composition are the aspects covered by:
A. Modern analytical physics.
B. Mechanical chemistry.
C. Biochemistry.
D. Modern analytical chemistry.
2 The solid remained on filter paper during filtration is called the
A. Substance
B. Residue
C. Undue
D. Filtrate
3 Without proper suction,filtration is:
A. Rapid process
B. Fague process
C. Slow process
D. Useless process
4 The apex angle of the folded filter paper is slightly greater than :
A. 60°

B. 30°
C. 45°
D. 90°
5 A filtration process could be very time consuming if it were not aided by a gentle suction which is developed:
A. If the paper covers the funnel up to its circumstances
B. If the paper has got small sized pores in
C. If the stem of funnel is large so that it dips in to filtrate
D. If the paper fits tightly.
6 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
7 Without proper suction filtration is
A. Rapid process.
B. Fague process.
C. Slow process.
D. Useless process.
8 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
9 95% ethanol is called :
A. Rectified ether.
B. Diesel.
C. Rectified spirit.
D. Petrol.
10 Solvent extraction is an unstable,Process and it is controlled by:
A. Alcohol extraction
B. Petrol extraction
C. Phenol extraction
D. Ether extraction

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