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 catalyst is used in contact process?

Question # 2

Aqua Regia has ratio of conc. HCl and HNO3

Question # 3

The most stable phosphorus allotrope is

Question # 4

Laughing gas is chemically

Question # 5

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

Question # 6

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 7

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

Question # 8

Posphorus belongs to a group

Question # 9

Which has sweetish taste?

Question # 10

Which property is not present in non-methals

Question # 11

Which are metalloid?

Question # 12

Ring testis given by ions.

Question # 13

SO3 is not absorbed in water directly to or H2SO4 because

Question # 14

Calcium carbonates contains oxygen in it:

Question # 15

Nitrogen is present in atmosphere

Question # 16

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

Question # 17

SO2is not absorbed in water directly to or H2SO4because:

Question # 18

The brown gas formed when metal reduces HNO3is

Question # 19

Which phosphorus is the most poisonous?

Question # 20

Colour of N2O4 is

Question # 21

Which element belongs to group V-A?

Question # 22

Specific gravity of HNO3 is

Question # 23

Which can be prepared from HNO3?

Question # 24

Calcium carbonate contains oxygen in it

Question # 25

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

Question # 26

Which has garlic like odour?

Question # 27

Sulphuric acid is used

Question # 28

Colour of PCl5is:

Question # 29

Nitrogen is present in atmosphere

Question # 30

What are non-metals?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
2 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
3 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
4 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
5 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
6 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
7 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
8 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
9 Colour of N2O4 is
A. Raddish brown
B. Yellow
C. Colouries
D. green
10 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4

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