ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements Online Test

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  • Chapter NameCh 15.Group IV-A and VI-A Elements
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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements Online Test

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ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements Online Test

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Question # 1

All elements of group VI-A non-metal except

Question # 2

Which element belongs to group V-A?

Question # 3

Out of all the elements of group V-A , the highest ionization energy is possessed by:

Question # 4

Formation of NO from N2 and O2 requires temp

Question # 5

Which are metalloid?

Question # 6

Group VI-A elements are called:

Question # 7

Which has garlic like odour?

Question # 8

Posphorus belongs to a group

Question # 9

What are non-metals?

Question # 10

Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:

Question # 11

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 12

Which can be prepared from HNO3?

Question # 13

SO3 is not absorbed in water directly to or H2SO4 because

Question # 14

Bone ash contains calcium phosphate

Question # 15

SO2is not absorbed in water directly to or H2SO4because:

Question # 16

Colour of N2O4 is

Question # 17

Aqua Regia has ratio of conc. HCl and HNO3

Question # 18

Among group V-A elements, the most electronegative element is:

Question # 19

Allotropic forms of sulpher are

Question # 20

Specific gravity of HNO3 is

Question # 21

The most stable phosphorus allotrope is

Question # 22

Which is laughing gas?

Question # 23

Ring testis given by ions.

Question # 24

Sulphuric acid is used

Question # 25

Which is aqua regia?

Question # 26

NO2forms acidic solution:

Question # 27

Which is the most reactive?

Question # 28

Out of all the elements of group V1-A the highest melting and boiling points is shown by the element

Question # 29

Oxidation of NO in air produces

Question # 30

Out of all the elements of group V-A, the highest ionization energy is possessed by

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