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

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

Question # 2

Which has garlic like odour?

Question # 3

Bone ash contains calcium phosphate

Question # 4

Nitrogen is present in atmosphere

Question # 5

Allotropic forms of phosphorus are

Question # 6

Which is aqua regia?

Question # 7

Posphorus belongs to a group

Question # 8

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

Question # 9

Sulphuric acid is used

Question # 10

Formation of NO from N2 and O2 requires temp

Question # 11

Colour of N2O4 is

Question # 12

Tungsten and uranium are turned to an reaction with HNO3

Question # 13

Nitrogen is present in atmosphere

Question # 14

The most stable phosphorus allotrope is

Question # 15

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 16

Allotropic forms of oxygen Te, Se are

Question # 17

Which element belongs to group V-A?

Question # 18

SO3 is not absorbed in water directly to or H2SO4 because

Question # 19

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

Question # 20

Nitrogen is present in atmosphere by weight

Question # 21

Which catalyst is used in contact process?

Question # 22

Which gas is heavier than air?

Question # 23

Group VI-A elements are called:

Question # 24

Specific gravity of HNO3 is

Question # 25

Which is the most reactive?

Question # 26

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

Question # 27

Ring testis given by ions.

Question # 28

Laughing gas is chemically

Question # 29

Allotropic forms of sulpher are

Question # 30

The brown gas formed when metal reduces HNO3is

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
2 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
3 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
4 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
5 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
6 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
7 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
8 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
9 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
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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