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

NO2forms acidic solution:

Question # 2

Nitrogen is present in atmosphere by weight:

Question # 3

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

Question # 4

Which element belongs to group V-A?

Question # 5

Which is nitrous acid?

Question # 6

Nitrogen is present in atmosphere

Question # 7

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

Question # 8

Allotropic forms of oxygen Te, Se are

Question # 9

Aqua Regia has ratio of conc. HCl and HNO3

Question # 10

Which property is not present in non-methals

Question # 11

Which has sweetish taste?

Question # 12

Sulphuric acid is used

Question # 13

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

Question # 14

Which is the most reactive?

Question # 15

Colour of N2O4 is

Question # 16

Which catalyst is used in contact process?

Question # 17

Allotropic forms of sulpher are

Question # 18

Which property is not present in non-metals:

Question # 19

Nitrogen is present in atmosphere

Question # 20

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

Question # 21

Which has garlic like odour?

Question # 22

Tungsten and uranium are turned to an reaction with HNO3

Question # 23

Calcium carbonates contains oxygen in it:

Question # 24

Allotropic forms of phosphorus are

Question # 25

All elements of group VI-A non-metal except

Question # 26

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 27

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

Question # 28

The most stable phosphorus allotrope is

Question # 29

Ring testis given by ions.

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 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
2 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
3 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
4 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
5 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
6 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
7 Aqua Regia has ratio of conc. HCl and HNO3
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
8 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
9 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
10 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO

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