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

Which has garlic like odour?

Question # 2

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

Question # 3

SO3 is not absorbed in water directly to or H2SO4 because

Question # 4

NO2forms acidic solution:

Question # 5

The most stable phosphorus allotrope is

Question # 6

Which is an inert gas?

Question # 7

Bone ash contains calcium phosphate

Question # 8

Specific gravity of HNO3 is

Question # 9

Colour of N2O4 is

Question # 10

Sulphuric acid is used

Question # 11

Allotropic forms of sulpher are

Question # 12

What are non-metals?

Question # 13

Tungsten and uranium are turned to an reaction with HNO3

Question # 14

Calcium carbonate contains oxygen in it

Question # 15

Which property is not present in non-metals:

Question # 16

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

Question # 17

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 18

Structure of P4 is

Question # 19

Which is the most reactive?

Question # 20

Nitrogen is present in atmosphere

Question # 21

Aqua Regia has ratio of conc. HCl and HNO3

Question # 22

Which element belongs to group V-A?

Question # 23

Which has sweetish taste?

Question # 24

Which phosphorus is the most poisonous?

Question # 25

Nitrogen is present in atmosphere

Question # 26

Nitrogen is present in atmosphere by weight

Question # 27

Which can be prepared from HNO3?

Question # 28

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

Question # 29

Colour of PCl5is:

Question # 30

Which are metalloid?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
2 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
3 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
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 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
6 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
7 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
8 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
9 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
10 Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:
A. Te
B. Se
C. S
D. Pb

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