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

Allotropic forms of sulpher are

Question # 2

Formation of NO from N2 and O2 requires temp

Question # 3

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

Question # 4

Specific gravity of HNO3 is

Question # 5

Tungsten and uranium are turned to an reaction with HNO3

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

Nitrogen is present in atmosphere

Question # 9

Aqua Regia has ratio of conc. HCl and HNO3

Question # 10

The most stable phosphorus allotrope is

Question # 11

The brown gas formed when metal reduces HNO3is

Question # 12

Oxidation of NO in air produces

Question # 13

All elements of group VI-A non-metal except

Question # 14

Ring testis given by ions.

Question # 15

Nitrogen is present in atmosphere by weight:

Question # 16

Posphorus belongs to a group

Question # 17

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

Question # 18

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

Question # 19

Which element belongs to group V-A?

Question # 20

Which property is not present in non-methals

Question # 21

Colour of PCl5is:

Question # 22

Calcium carbonate contains oxygen in it

Question # 23

Which is an inert gas?

Question # 24

What are non-metals?

Question # 25

Which has garlic like odour?

Question # 26

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

Question # 27

Which gas is heavier than air?

Question # 28

Which are metalloid?

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
2 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
3 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
4 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5
5 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
6 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
7 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
8 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
9 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
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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