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

Laughing gas is chemically

Question # 2

Allotropic forms of sulpher are

Question # 3

Specific gravity of HNO3 is

Question # 4

Oxidation of NO in air produces

Question # 5

Which are metalloid?

Question # 6

Which can be prepared from HNO3?

Question # 7

Which is an inert gas?

Question # 8

NO2forms acidic solution:

Question # 9

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

Question # 10

Which is nitrous acid?

Question # 11

Tungsten and uranium are turned to an reaction with HNO3

Question # 12

Allotropic forms of phosphorus are

Question # 13

Which property is not present in non-methals

Question # 14

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

Question # 15

Nitrogen is present in atmosphere by weight

Question # 16

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

Question # 17

Colour of PCl5is:

Question # 18

Posphorus belongs to a group

Question # 19

NO2 forms acidic solution

Question # 20

Which catalyst is used in contact process?

Question # 21

Sulphuric acid is used

Question # 22

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 23

Nitrogen is present in atmosphere by weight:

Question # 24

Formation of NO from N2 and O2 requires temp

Question # 25

The most stable phosphorus allotrope is

Question # 26

Colour of N2O4 is

Question # 27

Which is laughing gas?

Question # 28

Which is aqua regia?

Question # 29

Group VI-A elements are called:

Question # 30

Calcium carbonate contains oxygen in it

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
2 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5
3 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
4 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
5 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
6 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
7 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
8 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
9 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
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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