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

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

Question # 2

Which is nitrous acid?

Question # 3

All elements of group VI-A non-metal except

Question # 4

Calcium carbonate contains oxygen in it

Question # 5

Laughing gas is chemically

Question # 6

Colour of N2O4 is

Question # 7

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

Question # 8

Which is an inert gas?

Question # 9

The most stable phosphorus allotrope is

Question # 10

Structure of P4 is

Question # 11

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

Question # 12

Posphorus belongs to a group

Question # 13

Which is aqua regia?

Question # 14

Group VI-A elements are called:

Question # 15

Formation of NO from N2 and O2 requires temp

Question # 16

Nitrogen is present in atmosphere

Question # 17

Nitrogen is present in atmosphere

Question # 18

Aqua Regia has ratio of conc. HCl and HNO3

Question # 19

Bone ash contains calcium phosphate

Question # 20

Ring testis given by ions.

Question # 21

What are non-metals?

Question # 22

Which property is not present in non-methals

Question # 23

Which catalyst is used in contact process?

Question # 24

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

Question # 25

NO2forms acidic solution:

Question # 26

Which gas is heavier than air?

Question # 27

Which phosphorus is the most poisonous?

Question # 28

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

Question # 29

Which has sweetish taste?

Question # 30

Nitrogen is present in atmosphere by weight:

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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 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
4 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
5 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
6 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
7 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
8 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
9 Which element belongs to group V-A?
A. Cs
B. Ba
C. Sr
D. Bi
10 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above

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