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

Out of all the elements of group V1-A the highest melting and boiling points is shown by the element

Question # 2

The brown gas formed when metal reduces HNO3is

Question # 3

Aqua Regia has ration of conc. HCl and HNO3.

Question # 4

Calcium carbonate contains oxygen in it

Question # 5

Calcium carbonates contains oxygen in it:

Question # 6

Which has garlic like odour?

Question # 7

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

Question # 8

Which is aqua regia?

Question # 9

Aqua Regia has ratio of conc. HCl and HNO3

Question # 10

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

Question # 11

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

Question # 12

Which has sweetish taste?

Question # 13

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 14

Which is an inert gas?

Question # 15

The most stable phosphorus allotrope is

Question # 16

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

Question # 17

All elements of group VI-A non-metal except

Question # 18

NO2forms acidic solution:

Question # 19

Formation of NO from N2 and O2 requires temp

Question # 20

Allotropic forms of oxygen Te, Se are

Question # 21

Structure of P4 is

Question # 22

Allotropic forms of phosphorus are

Question # 23

Which is laughing gas?

Question # 24

Specific gravity of HNO3 is

Question # 25

Group VI-A elements are called:

Question # 26

Colour of N2O4 is

Question # 27

Ring testis given by ions.

Question # 28

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

Question # 29

Which property is not present in non-methals

Question # 30

Which gas is heavier than air?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
2 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
3 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
4 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
5 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi
6 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb
7 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
8 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
9 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
10 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3

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