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

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 2

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

Question # 3

Which property is not present in non-methals

Question # 4

Nitrogen is present in atmosphere by weight:

Question # 5

Group VI-A elements are called:

Question # 6

Nitrogen is present in atmosphere

Question # 7

NO2forms acidic solution:

Question # 8

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

Question # 9

Colour of PCl5is:

Question # 10

SO3 is not absorbed in water directly to or H2SO4 because

Question # 11

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

Question # 12

Tungsten and uranium are turned to an reaction with HNO3

Question # 13

Which can be prepared from HNO3?

Question # 14

Bone ash contains calcium phosphate

Question # 15

Ring testis given by ions.

Question # 16

Aqua Regia has ratio of conc. HCl and HNO3

Question # 17

Which element belongs to group V-A?

Question # 18

All elements of group VI-A non-metal except

Question # 19

Which is nitrous acid?

Question # 20

Which gas is heavier than air?

Question # 21

Which catalyst is used in contact process?

Question # 22

Colour of N2O4 is

Question # 23

The brown gas formed when metal reduces HNO3is

Question # 24

Posphorus belongs to a group

Question # 25

Which has sweetish taste?

Question # 26

Allotropic forms of phosphorus are

Question # 27

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

Question # 28

Structure of P4 is

Question # 29

Allotropic forms of sulpher are

Question # 30

The most stable phosphorus allotrope is

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
2 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
3 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
4 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
5 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi
6 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
7 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
8 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
9 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
10 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these

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