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

Structure of P4 is

Question # 2

Group VI-A elements are called:

Question # 3

Nitrogen is present in atmosphere by weight:

Question # 4

Which is nitrous acid?

Question # 5

Ring testis given by ions.

Question # 6

Which has garlic like odour?

Question # 7

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

Question # 8

Colour of N2O4 is

Question # 9

Allotropic forms of oxygen Te, Se are

Question # 10

Laughing gas is chemically

Question # 11

Nitrogen is present in atmosphere

Question # 12

Nitrogen is present in atmosphere by weight

Question # 13

Aqua Regia has ratio of conc. HCl and HNO3

Question # 14

Which phosphorus is the most poisonous?

Question # 15

SO3 is not absorbed in water directly to or H2SO4 because

Question # 16

Which catalyst is used in contact process?

Question # 17

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

Question # 18

Colour of PCl5is:

Question # 19

Calcium carbonate contains oxygen in it

Question # 20

Which is an inert gas?

Question # 21

All elements of group VI-A non-metal except

Question # 22

Sulphuric acid is used

Question # 23

NO2 forms acidic solution

Question # 24

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

Question # 25

Which property is not present in non-methals

Question # 26

Which is laughing gas?

Question # 27

The brown gas formed when metal reduces HNO3is

Question # 28

What are non-metals?

Question # 29

Aqua Regia has ration of conc. HCl and HNO3.

Question # 30

Calcium carbonates contains oxygen in it:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Bone ash contains calcium phosphate
A. 70%
B. 80%
C. 90%
D. 100%
2 Which element of group IV-A does not use d — orbital?
A. N
B. P
C. As
D. Sb
3 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
4 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
5 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
6 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
7 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
8 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
9 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
10 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As

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