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

00:00
Question # 1

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

Question # 2

Formation of NO from N2 and O2 requires temp

Question # 3

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

Question # 4

Bone ash contains calcium phosphate

Question # 5

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

Question # 6

Calcium carbonates contains oxygen in it:

Question # 7

Which has sweetish taste?

Question # 8

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

Question # 9

Sulphuric acid is used

Question # 10

What are non-metals?

Question # 11

Laughing gas is chemically

Question # 12

Ring testis given by ions.

Question # 13

NO2 forms acidic solution

Question # 14

Specific gravity of HNO3 is

Question # 15

Group VI-A elements are called:

Question # 16

Colour of N2O4 is

Question # 17

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

Question # 18

Which has garlic like odour?

Question # 19

Allotropic forms of sulpher are

Question # 20

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

Question # 21

Which phosphorus is the most poisonous?

Question # 22

Which are metalloid?

Question # 23

Allotropic forms of oxygen Te, Se are

Question # 24

Which is an inert gas?

Question # 25

Tungsten and uranium are turned to an reaction with HNO3

Question # 26

Posphorus belongs to a group

Question # 27

Which is nitrous acid?

Question # 28

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 29

Which catalyst is used in contact process?

Question # 30

Which element belongs to group V-A?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
2 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
3 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
4 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
5 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
6 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
7 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
8 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
9 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
10 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4

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