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

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Question # 1

Which is used as cooling medium in nuclear reactors?

Question # 2

Gaseous HF exists in the form of

Question # 3

Perchloric acid can be stored in solution form

Question # 4

The strongest acid is

Question # 5

The noble gases are

Question # 6

The only non-metal in liquid form is

Question # 7

Colour of bromine is

Question # 8

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 9

Colour of Iodine is

Question # 10

Hydrogen bond is the strongest between the molecules of:

Question # 11

Used in tooth pastes is

Question # 12

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

Question # 13

Colour of chlorine is

Question # 14

Noble gases in the atmosphere are

Question # 15

Astatine belongs to group

Question # 16

Which halogen will react spontaneously with Au(s)to produce Au3++

Question # 17

Halogens are called.

Question # 18

Which has complete valence shell?

Question # 19

The compound with cyclic hexamer is

Question # 20

The most reactive elements are:

Question # 21

Hydrogen bond is the strongest between the molecules of

Question # 22

Which halogen has Iustrous shining?

Question # 23

Which is the strongest acid?

Question # 24

The strongest hydrogen bond is in

Question # 25

Halogens are called

Question # 26

Which of the following hydrogen halide is the weakest acid in solution?

Question # 27

Half life period of astatine is

Question # 28

Which is volatile liquid?

Question # 29

Smell of halogen is

Question # 30

Noble gases are placed in group

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Noble gases are placed in group
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
2 The noble gases are
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
3 The strongest acid is
A. HF
B. HCl
C. HBr
D. HI
4 Which has the least oxidizing power?
A. F2
B. Cl2
C. Br2
D. I2
5 Noble gases in the atmosphere are
A. 4%
B. 3%
C. 2%
D. 1%
6 Bleaching powder is agent:
A. Dehydrating
B. Oxidazing
C. reducing
D. all
7 Molecule of halogens exist as
A. Monatomic
B. Diatomic
C. Triatomi
D. Polyatomic
8 The only non-metal in liquid form is
A. S
B. Cl
C. Br
D. P
9 Which compound of noble gas xenon can be prepared?
A. Oxides
B. Fluoride
C. Oxyfluorides
D. All of these
10 Which is volatile liquid?
A. HF
B. HCl
C. HBr
D. Hl

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