ECAT Pre Engineering Chemistry Chapter 16 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

Try The MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

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ECAT Chemistry Chapter 16 The Halogens and The Noble Gases

00:00
Question # 1

Corrosion proof parts of machinery are prepared from

Question # 2

Which noble gas is used in mixture used for breathing by divers?

Question # 3

Which is used as cooling medium in nuclear reactors?

Question # 4

Which is present as a result of radioactive decay on earth?

Question # 5

The compound with cyclic hexamer is

Question # 6

Molecule of halogens exist as

Question # 7

Nobel gases are placed group:

Question # 8

The available chlorine is bleaching power is

Question # 9

Astatine belongs to group:

Question # 10

Which is used in bacterial lamps

Question # 11

Hydrogen bond is the strongest between the molecules of

Question # 12

Which halogen has Iustrous shining?

Question # 13

Gaseous HF exists in the form of

Question # 14

Hydrogen bond is the strongest between the molecules of:

Question # 15

Which is the strongest acid?

Question # 16

Gaseous HF exists in the form of

Question # 17

Angle is OF2is

Question # 18

A property which differs fluorine from the other halogens?

Question # 19

Noble gases are placed in group

Question # 20

Bleaching powder is prepared by the reaction of Cl2 with.

Question # 21

An element that has a high ionization energy and tends to be chemically inactive would most likely to be:

Question # 22

Which compound of noble gas xenon can be prepared?

Question # 23

The strongest acid is

Question # 24

An element that has a high ionization energy and tends to be chemically inactive would most likely to be

Question # 25

Which halogen has maximum Van-der Waal's forces?

Question # 26

Smell of halogens is:

Question # 27

Used in tooth pastes is

Question # 28

Bleaching powder may be produced by passing chlorine over

Question # 29

Oxidation state of fluorine is

Question # 30

The noble gases are

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Bleaching powder is agent:
A. Dehydrating
B. Oxidazing
C. reducing
D. all
2 Which is used in bacterial lamps
A. He
B. Ne
C. Ar
D. Kr
3 Non sticking coating in cooking utensils is done by
A. Iron
B. Cooper
C. Plastic
D. Teflon
4 Which is used as cooling medium in nuclear reactors?
A. He
B. Ne
C. Ar
D. Kr
5 Smell of halogen is
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
6 Smell of halogens is:
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
7 Corrosion proof parts of machinery are prepared from
A. Iron
B. Copper
C. Plastic
D. Teflon
8 Which of the following hydrogen halide is the weakest acid in solution
A. HF
B. HBr
C. HI
D. HCl
9 Chlorine heptoxide (Cl2O7) reacts with water to form
A. Hypochlorous acid
B. chloric acid
C. Perchloric acid
D. Chlorine and Oxygen
10 Which compound of noble gas xenon can be prepared?
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these

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