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

The brown gas formed when metal reduces HNO3is

Question # 2

NO2forms acidic solution:

Question # 3

Which is an inert gas?

Question # 4

Sulphuric acid is used

Question # 5

Which element belongs to group V-A?

Question # 6

Which catalyst is used in contact process?

Question # 7

Nitrogen is present in atmosphere

Question # 8

Which is laughing gas?

Question # 9

Bone ash contains calcium phosphate

Question # 10

Aqua Regia has ration of conc. HCl and HNO3.

Question # 11

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

Question # 12

Which property is not present in non-methals

Question # 13

Which is aqua regia?

Question # 14

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

Question # 15

Ring testis given by ions.

Question # 16

Nitrogen is present in atmosphere by weight:

Question # 17

Calcium carbonate contains oxygen in it

Question # 18

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 19

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

Question # 20

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

Question # 21

Group VI-A elements are called:

Question # 22

Specific gravity of HNO3 is

Question # 23

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

Question # 24

Which gas is heavier than air?

Question # 25

Which has garlic like odour?

Question # 26

Oxidation of NO in air produces

Question # 27

Which has sweetish taste?

Question # 28

Which is the most reactive?

Question # 29

Calcium carbonates contains oxygen in it:

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
2 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
3 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
4 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
5 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
6 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
7 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
8 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
9 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
10 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%

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