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 is the most reactive?

Question # 2

Which catalyst is used in contact process?

Question # 3

Which has garlic like odour?

Question # 4

What are non-metals?

Question # 5

Nitrogen is present in atmosphere

Question # 6

Which is nitrous acid?

Question # 7

Nitrogen is present in atmosphere

Question # 8

Colour of N2O4 is

Question # 9

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

Question # 10

Tungsten and uranium are turned to an reaction with HNO3

Question # 11

Bone ash contains calcium phosphate

Question # 12

Allotropic forms of oxygen Te, Se are

Question # 13

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

Question # 14

Which are metalloid?

Question # 15

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

Question # 16

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

Question # 17

Formation of NO from N2 and O2 requires temp

Question # 18

Calcium carbonate contains oxygen in it

Question # 19

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

Question # 20

Aqua Regia has ratio of conc. HCl and HNO3

Question # 21

Specific gravity of HNO3 is

Question # 22

Which is aqua regia?

Question # 23

Nitrogen is present in atmosphere by weight:

Question # 24

Aqua Regia has ration of conc. HCl and HNO3.

Question # 25

Which is an inert gas?

Question # 26

Which can be prepared from HNO3?

Question # 27

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

Question # 28

SO2is not absorbed in water directly to or H2SO4because:

Question # 29

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

Question # 30

Which gas is heavier than air?

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 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
2 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
3 SO2is not absorbed in water directly to or H2SO4because:
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
4 Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements:
A. Te
B. Se
C. S
D. Pb
5 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
6 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
7 Tungsten and uranium are turned to an reaction with HNO3
A. Oxides
B. Chlorides
C. Nitrides
D. Nitrates
8 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
9 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
10 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic

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