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

What are non-metals?

Question # 2

Nitrogen is present in atmosphere

Question # 3

Calcium carbonate contains oxygen in it

Question # 4

NO2forms acidic solution:

Question # 5

Which is nitrous acid?

Question # 6

Which can be prepared from HNO3?

Question # 7

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 8

Which gas is heavier than air?

Question # 9

Ring testis given by ions.

Question # 10

Which is laughing gas?

Question # 11

Calcium carbonates contains oxygen in it:

Question # 12

The most stable phosphorus allotrope is

Question # 13

Which phosphorus is the most poisonous?

Question # 14

All elements of group VI-A non-metal except

Question # 15

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

Question # 16

Which property is not present in non-metals:

Question # 17

Aqua Regia has ratio of conc. HCl and HNO3

Question # 18

Formation of NO from N2 and O2 requires temp

Question # 19

Tungsten and uranium are turned to an reaction with HNO3

Question # 20

Which is the most reactive?

Question # 21

Nitrogen is present in atmosphere by weight:

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

Laughing gas is chemically

Question # 26

Which element belongs to group V-A?

Question # 27

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

Question # 28

NO2 forms acidic solution

Question # 29

Posphorus belongs to a group

Question # 30

Allotropic forms of oxygen Te, Se are

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
2 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
3 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
4 Which is aqua regia?
A. HCL : NO
B. HCl : HNO3
C. HCl : H2SO4
D. H2SO4 : HNO3
5 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
6 Reaction of HNO, with very dilute Zinc and at low temperature gives
A. H2
B. NO
C. NO2
D. NH4
7 All elements of group VI-A non-metal except
A. Te
B. S
C. Se
D. Po
8 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
9 Among group V-A elements, the most electronegative element is
A. Sb
B. N
C. P
D. As
10 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93

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