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

NO2forms acidic solution:

Question # 2

Which has garlic like odour?

Question # 3

Structure of P4 is

Question # 4

Bone ash contains calcium phosphate

Question # 5

Which is an inert gas?

Question # 6

Which property is not present in non-metals:

Question # 7

The most stable phosphorus allotrope is

Question # 8

The brown gas formed when metal reduces HNO3is

Question # 9

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

Question # 10

Which phosphorus is the most poisonous?

Question # 11

Which is nitrous acid?

Question # 12

Aqua Regia has ratio of conc. HCl and HNO3

Question # 13

Colour of PCl5is:

Question # 14

Posphorus belongs to a group

Question # 15

Nitrogen is present in atmosphere by weight:

Question # 16

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

Question # 17

SO2is not absorbed in water directly to or H2SO4because:

Question # 18

Nitrogen is present in atmosphere

Question # 19

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

Question # 20

Allotropic forms of phosphorus are

Question # 21

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 22

Which can be prepared from HNO3?

Question # 23

Calcium carbonates contains oxygen in it:

Question # 24

Which catalyst is used in contact process?

Question # 25

Aqua Regia has ration of conc. HCl and HNO3.

Question # 26

What are non-metals?

Question # 27

SO3 is not absorbed in water directly to or H2SO4 because

Question # 28

Which element belongs to group V-A?

Question # 29

Allotropic forms of oxygen Te, Se are

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
2 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
3 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
4 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi
5 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
6 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
7 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
8 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
9 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
10 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N

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