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

Out of all the elements of group V1-A the highest melting and boiling points is shown by the element

Question # 2

The most stable phosphorus allotrope is

Question # 3

Nitrogen is present in atmosphere

Question # 4

Which catalyst is used in contact process?

Question # 5

Which element belongs to group V-A?

Question # 6

Which property is not present in non-metals:

Question # 7

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 8

All elements of group VI-A non-metal except

Question # 9

Which gas is heavier than air?

Question # 10

Group VI-A elements are called:

Question # 11

Which is an inert gas?

Question # 12

Which is aqua regia?

Question # 13

Allotropic forms of sulpher are

Question # 14

Specific gravity of HNO3 is

Question # 15

Posphorus belongs to a group

Question # 16

Which property is not present in non-methals

Question # 17

Which is the most reactive?

Question # 18

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

Question # 19

Structure of P4 is

Question # 20

Colour of N2O4 is

Question # 21

Tungsten and uranium are turned to an reaction with HNO3

Question # 22

What are non-metals?

Question # 23

The brown gas formed when metal reduces HNO3is

Question # 24

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

Question # 25

Formation of NO from N2 and O2 requires temp

Question # 26

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

Question # 27

NO2forms acidic solution:

Question # 28

Allotropic forms of oxygen Te, Se are

Question # 29

Calcium carbonates contains oxygen in it:

Question # 30

Calcium carbonate contains oxygen in it

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Sulphuric acid is used
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
2 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
3 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
4 Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
A. Te
B. Se
C. S
D. Pb
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 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
8 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
9 SO3 is not absorbed in water directly to or H2SO4 because
A. the reaction does not go to completion.
B. the reaction is quite slow.
C. the reaction is exothermic.
D. SO3 is insoluble in water.
10 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%

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