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

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

Question # 2

Bone ash contains calcium phosphate

Question # 3

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

Question # 4

Structure of P4 is

Question # 5

All elements of group VI-A non-metal except

Question # 6

Nitrogen is present in atmosphere by weight

Question # 7

Group VI-A elements are called:

Question # 8

Which gas is heavier than air?

Question # 9

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

Question # 10

Calcium carbonate contains oxygen in it

Question # 11

Which is the most reactive?

Question # 12

Which is an inert gas?

Question # 13

Aqua Regia has ration of conc. HCl and HNO3.

Question # 14

Aqua Regia has ratio of conc. HCl and HNO3

Question # 15

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

Question # 16

Nitrogen is present in atmosphere

Question # 17

Which property is not present in non-metals:

Question # 18

Colour of N2O4 is

Question # 19

Calcium carbonates contains oxygen in it:

Question # 20

Tungsten and uranium are turned to an reaction with HNO3

Question # 21

Which element belongs to group V-A?

Question # 22

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

Question # 23

Sulphuric acid is used

Question # 24

Specific gravity of HNO3 is

Question # 25

Which has sweetish taste?

Question # 26

Allotropic forms of oxygen Te, Se are

Question # 27

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 28

What are non-metals?

Question # 29

Nitrogen is present in atmosphere by weight:

Question # 30

Which catalyst is used in contact process?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
2 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
3 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
4 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
5 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
6 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
7 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
8 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
9 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
10 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3

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