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

Which is laughing gas?

Question # 2

NO2 forms acidic solution

Question # 3

Oxidation of NO in air produces

Question # 4

What are non-metals?

Question # 5

Calcium carbonates contains oxygen in it:

Question # 6

Which is an inert gas?

Question # 7

Which gas is heavier than air?

Question # 8

Which has garlic like odour?

Question # 9

All elements of group VI-A non-metal except

Question # 10

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

Question # 11

Tungsten and uranium are turned to an reaction with HNO3

Question # 12

The brown gas formed when metal reduces HNO3is

Question # 13

Sulphuric acid is used

Question # 14

Group VI-A elements are called:

Question # 15

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

Question # 16

Posphorus belongs to a group

Question # 17

Nitrogen is present in atmosphere by weight:

Question # 18

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

Question # 19

Colour of N2O4 is

Question # 20

Which can be prepared from HNO3?

Question # 21

Nitrogen is present in atmosphere

Question # 22

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

Question # 23

Allotropic forms of sulpher are

Question # 24

SO3 is not absorbed in water directly to or H2SO4 because

Question # 25

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

Question # 26

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

Question # 27

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 28

Which is nitrous acid?

Question # 29

Which is the most reactive?

Question # 30

Aqua Regia has ratio of conc. HCl and HNO3

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
2 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
3 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
4 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
5 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
6 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
7 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
8 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
9 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
10 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As

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