ECAT Pre Engineering Chemistry Chapter 15 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements

Try The MCQ's Test For 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

Specific gravity of HNO3 is

Question # 2

SO2is not absorbed in water directly to or H2SO4because:

Question # 3

Which is an inert gas?

Question # 4

Bone ash contains calcium phosphate

Question # 5

Structure of P4 is

Question # 6

Oxidation of NO in air produces

Question # 7

Calcium carbonate contains oxygen in it

Question # 8

The brown gas formed when metal reduces HNO3is

Question # 9

Aqua Regia has ration of conc. HCl and HNO3.

Question # 10

Laughing gas is chemically

Question # 11

What are non-metals?

Question # 12

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

Question # 13

Which catalyst is used in contact process?

Question # 14

Colour of N2O4 is

Question # 15

Which is laughing gas?

Question # 16

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

Question # 17

Which of the following species has the maximum number of unpaired electrons?

Question # 18

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

Question # 19

Which is nitrous acid?

Question # 20

Nitrogen is present in atmosphere

Question # 21

The most stable phosphorus allotrope is

Question # 22

Which gas is heavier than air?

Question # 23

All elements of group VI-A non-metal except

Question # 24

Formation of NO from N2 and O2 requires temp

Question # 25

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

Question # 26

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

Question # 27

Which phosphorus is the most poisonous?

Question # 28

Which property is not present in non-methals

Question # 29

Which property is not present in non-metals:

Question # 30

Which are metalloid?

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