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

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  • Chapter NameCh 15.Group IV-A and VI-A Elements

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

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

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Question # 1

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

Question # 2

Which has garlic like odour?

Question # 3

Calcium carbonates contains oxygen in it:

Question # 4

Aqua Regia has ratio of conc. HCl and HNO3

Question # 5

Which property is not present in non-metals:

Question # 6

Bone ash contains calcium phosphate

Question # 7

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 8

Which element of group IV-A does not use d-orbital?

Question # 9

Which is an inert gas?

Question # 10

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

Question # 11

Ring testis given by ions.

Question # 12

Allotropic forms of phosphorus are

Question # 13

Which is nitrous acid?

Question # 14

Posphorus belongs to a group

Question # 15

Which is laughing gas?

Question # 16

Calcium carbonate contains oxygen in it

Question # 17

Reaction of HNO, with very dilute Zinc and at low temperature gives

Question # 18

The brown gas formed when metal reduces HNO3is

Question # 19

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

Question # 20

Which is the most reactive?

Question # 21

Nitrogen is present in atmosphere

Question # 22

Nitrogen is present in atmosphere by weight:

Question # 23

Which element belongs to group V-A?

Question # 24

Which catalyst is used in contact process?

Question # 25

Nitrogen is present in atmosphere

Question # 26

NO2forms acidic solution:

Question # 27

SO3 is not absorbed in water directly to or H2SO4 because

Question # 28

NO2 forms acidic solution

Question # 29

Sulphuric acid is used

Question # 30

Structure of P4 is

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