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

Allotropic forms of oxygen Te, Se are

Question # 2

Aqua Regia has ration of conc. HCl and HNO3.

Question # 3

Which phosphorus is the most poisonous?

Question # 4

Which catalyst is used in contact process?

Question # 5

Colour of N2O4 is

Question # 6

Which is the most reactive?

Question # 7

Nitrogen is present in atmosphere

Question # 8

Colour of PCl5is:

Question # 9

Which is laughing gas?

Question # 10

Calcium carbonate contains oxygen in it

Question # 11

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

Question # 12

Which element belongs to group V-A?

Question # 13

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

Question # 14

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

Question # 15

Which has sweetish taste?

Question # 16

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

Question # 17

Calcium carbonates contains oxygen in it:

Question # 18

Which gas is heavier than air?

Question # 19

Posphorus belongs to a group

Question # 20

Nitrogen is present in atmosphere by weight:

Question # 21

SO3 is not absorbed in water directly to or H2SO4 because

Question # 22

Nitrogen is present in atmosphere

Question # 23

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

Question # 24

Which is an inert gas?

Question # 25

Sulphuric acid is used

Question # 26

Nitrogen is present in atmosphere by weight

Question # 27

Which has garlic like odour?

Question # 28

Which is aqua regia?

Question # 29

Which property is not present in non-metals:

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
2 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
3 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
4 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
5 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5
6 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
7 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
8 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
9 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
10 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All

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