ECAT Chemistry Chapter 16 The Halogens and The Noble Gases Online Test

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ECAT Chemistry Chapter 16 The Halogens and The Noble Gases Online Test

  • Total Questions30

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ECAT Chemistry Chapter 16 The Halogens and The Noble Gases Online Test

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Question # 1

The noble gases are

Question # 2

Astatine belongs to group:

Question # 3

Which is used in arc welding and cutting?

Question # 4

I2O5is used for quantitative study of

Question # 5

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

Question # 6

Which is volatile liquid?

Question # 7

Corrosion proof parts of machinery are prepared from

Question # 8

Halogens are called

Question # 9

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

Question # 10

Colour of Iodine is

Question # 11

Astatine belongs to group

Question # 12

Which is used as cooling medium in nuclear reactors?

Question # 13

Which is used in bacterial lamps

Question # 14

Halogens are called.

Question # 15

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

Question # 16

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

Question # 17

Nobel gases are placed group:

Question # 18

Hydrogen bond is the strongest between the molecules of

Question # 19

Oxidation state of fluorine is:

Question # 20

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

Question # 21

Oxidation state of fluorine is

Question # 22

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

Question # 23

Which has the least oxidizing power?

Question # 24

Colour of chlorine is

Question # 25

Gaseous HF exists in the form of

Question # 26

The only non-metal in liquid form is

Question # 27

Noble gases are placed in group

Question # 28

Half life of most stable isotope of astatine is

Question # 29

The strongest acid is

Question # 30

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

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