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

Nitrogen is present in atmosphere

Question # 2

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

Question # 3

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

Question # 4

Which property is not present in non-metals:

Question # 5

Which can be prepared from HNO3?

Question # 6

Which element belongs to group V-A?

Question # 7

Formation of NO from N2 and O2 requires temp

Question # 8

Tungsten and uranium are turned to an reaction with HNO3

Question # 9

Which are metalloid?

Question # 10

NO2forms acidic solution:

Question # 11

Which is nitrous acid?

Question # 12

Which property is not present in non-methals

Question # 13

Which is aqua regia?

Question # 14

Bone ash contains calcium phosphate

Question # 15

What are non-metals?

Question # 16

Which has garlic like odour?

Question # 17

Which has sweetish taste?

Question # 18

Colour of N2O4 is

Question # 19

Calcium carbonates contains oxygen in it:

Question # 20

Nitrogen is present in atmosphere by weight:

Question # 21

Sulphuric acid is used

Question # 22

Which is laughing gas?

Question # 23

NO2 forms acidic solution

Question # 24

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

Question # 25

All elements of group VI-A non-metal except

Question # 26

Colour of PCl5is:

Question # 27

SO3 is not absorbed in water directly to or H2SO4 because

Question # 28

Allotropic forms of phosphorus are

Question # 29

Specific gravity of HNO3 is

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
2 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
3 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
4 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
5 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
6 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb
7 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
8 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
9 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
10 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3

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