ECAT Chemistry Chapter 2 Experimental Techniques in Chemistry

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 filtration process is used to separate solid from

Question # 2

The detection of functional group is called :

Question # 3

Gooch crucible is made of:

Question # 4

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

Question # 5

Sintered glass is a porous material use for :

Question # 6

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

Question # 7

Sintered glass is porous material used for:

Question # 8

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

Question # 9

Direct conversion of solid intro vapours is called:

Question # 10

The solid remained on filter paper during filtration is called the

Question # 11

The filtration process is used to separate solid from:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The sample being analyzed is called

Question # 17

Estimation of Na in sea water is an example of

Question # 18

The detection of functional group is called

Question # 19

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

Question # 20

The sample being analyzed is called:

Question # 21

Estimation of Na in sea water is an example of :

Question # 22

Fluted filter paper is used to:

Question # 23

The other name for distribution law is

Question # 24

Fluted filter paper is used to :

Question # 25

Without proper suction,filtration is:

Question # 26

In chromatography, the point at which solvent maximum rises called:

Question # 27

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

Question # 28

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

Question # 29

A complete chemical characterization of a compound must include

Question # 30

The solution left after the formation of crystals is called :

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ECAT Chemistry Chapter 2 Important MCQ's

Sr.# Question Answer
1 The comparative rates at which the solutes move in paper chromatography, depend on:
A. the size of per sued.
B. Rf values of solutes
C. temperature of the experiment
D. size of the chromatography tank used.
2 The apex angle of the folded filter paper is slightly greater is termed as:
A. 60 degree
B. 30 degree
C. 45 degree
D. 90 degree
3 Naphthalene, iodine and NH4 can :
A. Sublime.
B. Both (a) and (c).
C. Crystallize.
D. None of above.
4 The tip of the funnel should touch the side of the beaker in order to avoid :
A. Splashing.
B. Leakage.
C. Mixing.
D. Contamination.
5 Which one of the following substances is used to decolourizing agent
A. Abestos
B. Animal charcoal
C. conc. H2SO4
D. Silica gel
6 A suitable solvent should dissolve maximum amount of solute at its boiling point and minimum amount at :
A. Freezing point.
B. Room temperature.
C. Boiling point.
D. Sea level temperature.
7 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.
8 Fluted filter paper is used to :
A. Decrease rate of filtration.
B. Increase rate of filtration.
C. Maintain rate of filtration.
D. None of above.
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 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.

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