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

Which can be prepared from HNO3?

Question # 2

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

Question # 3

Which has garlic like odour?

Question # 4

SO2is not absorbed in water directly to or H2SO4because:

Question # 5

Which are metalloid?

Question # 6

The brown gas formed when metal reduces HNO3is

Question # 7

What are non-metals?

Question # 8

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

Question # 9

Which catalyst is used in contact process?

Question # 10

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

Question # 11

Which is the most reactive?

Question # 12

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

Question # 13

Aqua Regia has ratio of conc. HCl and HNO3

Question # 14

NO2forms acidic solution:

Question # 15

Aqua Regia has ration of conc. HCl and HNO3.

Question # 16

Oxidation of NO in air produces

Question # 17

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

Question # 18

Laughing gas is chemically

Question # 19

Which property is not present in non-metals:

Question # 20

Which is nitrous acid?

Question # 21

Which property is not present in non-methals

Question # 22

Nitrogen is present in atmosphere by weight

Question # 23

Allotropic forms of oxygen Te, Se are

Question # 24

Sulphuric acid is used

Question # 25

Colour of N2O4 is

Question # 26

Posphorus belongs to a group

Question # 27

Tungsten and uranium are turned to an reaction with HNO3

Question # 28

Allotropic forms of phosphorus are

Question # 29

Nitrogen is present in atmosphere

Question # 30

Which has sweetish taste?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
2 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
3 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
4 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
5 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
6 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
7 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
8 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
9 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
10 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi

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