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

Sulphuric acid is used

Question # 3

Nitrogen is present in atmosphere by weight:

Question # 4

Which catalyst is used in contact process?

Question # 5

Which property is not present in non-methals

Question # 6

Nitrogen is present in atmosphere

Question # 7

Oxidation of NO in air produces

Question # 8

Allotropic forms of phosphorus are

Question # 9

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

Question # 10

The brown gas formed when metal reduces HNO3is

Question # 11

Structure of P4 is

Question # 12

Which is the most reactive?

Question # 13

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 14

Tungsten and uranium are turned to an reaction with HNO3

Question # 15

Which phosphorus is the most poisonous?

Question # 16

Allotropic forms of oxygen Te, Se are

Question # 17

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

Question # 18

Calcium carbonate contains oxygen in it

Question # 19

NO2 forms acidic solution

Question # 20

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

Question # 21

Nitrogen is present in atmosphere

Question # 22

Ring testis given by ions.

Question # 23

Which property is not present in non-metals:

Question # 24

SO3 is not absorbed in water directly to or H2SO4 because

Question # 25

What are non-metals?

Question # 26

Which has garlic like odour?

Question # 27

Specific gravity of HNO3 is

Question # 28

Laughing gas is chemically

Question # 29

Nitrogen is present in atmosphere by weight

Question # 30

Which gas is heavier than air?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
2 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi
3 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
4 Calcium carbonates contains oxygen in it:
A. 48%
B. 50%
C. 53%
D. 60%
5 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
6 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
7 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
8 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
9 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
10 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water

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