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

Noble gases are placed in group

Question # 2

Corrosion proof parts of machinery are prepared from

Question # 3

Chlorine heptoxide (Cl2O7) reacts with water to form

Question # 4

The available chlorine is bleaching power is

Question # 5

The most reactive elements are

Question # 6

Halogens are called

Question # 7

Radioactive element in halogens is

Question # 8

Oxidation state of fluorine is

Question # 9

Hydrogen bond is the strongest between the molecules of:

Question # 10

Colour of bromine is

Question # 11

Which is used in bacterial lamps

Question # 12

Second most element in the universe is

Question # 13

Which compound of noble gas xenon can be prepared?

Question # 14

Colour of fluorine gas is

Question # 15

Half life of most stable isotope of astatine is

Question # 16

Non sticking coating in cooking utensils is done by

Question # 17

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

Question # 18

Astatine belongs to group:

Question # 19

Colour of Iodine is

Question # 20

The most reactive elements are:

Question # 21

Which is volatile liquid?

Question # 22

Molecule of halogens exist as

Question # 23

Which has the least oxidizing power?

Question # 24

I2O5is used for quantitative study of

Question # 25

Angle is OF2is

Question # 26

Oxidation state of fluorine is:

Question # 27

Which is the strongest acid?

Question # 28

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

Question # 29

Nobel gases are placed group:

Question # 30

The strongest hydrogen bond is in

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ECAT Chemistry Chapter 16 Important MCQ's

Sr.# Question Answer
1 Used in tooth pastes is
A. Fluorides
B. Iodides
C. halides
D. nitrides
2 Oxidation state of fluorine is
A. +1
B. +2
C. -1
D. -2
3 The only non-metal in liquid form is
A. S
B. Cl
C. Br
D. P
4 The strongest hydrogen bond is in
A. HF
B. HCl
C. HBr
D. Hl
5 Chlorin heptoxide reacts with water to form:
A. Hypochlorous acid
B. Chloric acid
C. Perchloric acid
D. Chlorine and oxygen
6 Halogens are called.
A. salt former
B. Light bearing
C. copper forming
D. None of these
7 Which noble gas is used in mixture used for breathing by divers?
A. Cl2
B. NH3
C. CO2
D. He
8 Angle is OF2is
A. 1200
B. 1800
C. 1050
D. 1020
9 Hydrogen bond is the strongest between the molecules of:
A. HF
B. HCl
C. HBr
D. Hl
10 Colour of bromine is
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black

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