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

00:00
Question # 1

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

Question # 2

Which catalyst is used in contact process?

Question # 3

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 4

Which is an inert gas?

Question # 5

Structure of P4 is

Question # 6

The brown gas formed when metal reduces HNO3is

Question # 7

NO2 forms acidic solution

Question # 8

Which is nitrous acid?

Question # 9

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

Question # 10

Which has garlic like odour?

Question # 11

Specific gravity of HNO3 is

Question # 12

Which is aqua regia?

Question # 13

Bone ash contains calcium phosphate

Question # 14

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

Question # 15

Allotropic forms of phosphorus are

Question # 16

Which property is not present in non-methals

Question # 17

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

Question # 18

Formation of NO from N2 and O2 requires temp

Question # 19

SO3 is not absorbed in water directly to or H2SO4 because

Question # 20

Which are metalloid?

Question # 21

NO2forms acidic solution:

Question # 22

Aqua Regia has ratio of conc. HCl and HNO3

Question # 23

Calcium carbonate contains oxygen in it

Question # 24

Which is the most reactive?

Question # 25

Nitrogen is present in atmosphere

Question # 26

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

Question # 27

Laughing gas is chemically

Question # 28

Which is laughing gas?

Question # 29

Which gas is heavier than air?

Question # 30

Colour of N2O4 is

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
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 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
4 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
5 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
6 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
7 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
8 Formation of NO from N2 and O2 requires temp
A. 300C
B. 3000C
C. 30000C
D. 300000C
9 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
10 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO

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