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

Calcium carbonate contains oxygen in it

Question # 2

NO2forms acidic solution:

Question # 3

Which is laughing gas?

Question # 4

Which is the most reactive?

Question # 5

Which can be prepared from HNO3?

Question # 6

Colour of PCl5is:

Question # 7

Which property is not present in non-methals

Question # 8

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

Question # 9

Laughing gas is chemically

Question # 10

Allotropic forms of oxygen Te, Se are

Question # 11

What are non-metals?

Question # 12

Nitrogen is present in atmosphere

Question # 13

Allotropic forms of sulpher are

Question # 14

Which is an inert gas?

Question # 15

Group VI-A elements are called:

Question # 16

Tungsten and uranium are turned to an reaction with HNO3

Question # 17

Structure of P4 is

Question # 18

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

Question # 19

Allotropic forms of phosphorus are

Question # 20

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

Question # 21

Which is aqua regia?

Question # 22

Specific gravity of HNO3 is

Question # 23

The brown gas formed when metal reduces HNO3is

Question # 24

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

Question # 25

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

Question # 26

Oxidation of NO in air produces

Question # 27

Sulphuric acid is used

Question # 28

Nitrogen is present in atmosphere by weight:

Question # 29

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

Question # 30

Nitrogen is present in atmosphere by weight

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
2 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
3 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
4 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
5 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5
6 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
7 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
8 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
9 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
10 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%

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