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

SO3 is not absorbed in water directly to or H2SO4 because

Question # 2

NO2 forms acidic solution

Question # 3

Colour of PCl5is:

Question # 4

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

Question # 5

Tungsten and uranium are turned to an reaction with HNO3

Question # 6

NO2forms acidic solution:

Question # 7

Posphorus belongs to a group

Question # 8

Which are metalloid?

Question # 9

The brown gas formed when metal reduces HNO3is

Question # 10

Sulphuric acid is used

Question # 11

Nitrogen is present in atmosphere

Question # 12

Allotropic forms of sulpher are

Question # 13

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

Question # 14

Aqua Regia has ration of conc. HCl and HNO3.

Question # 15

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

Question # 16

Which element belongs to group V-A?

Question # 17

SO2is not absorbed in water directly to or H2SO4because:

Question # 18

Formation of NO from N2 and O2 requires temp

Question # 19

Structure of P4 is

Question # 20

Calcium carbonate contains oxygen in it

Question # 21

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

Question # 22

Nitrogen is present in atmosphere by weight:

Question # 23

What are non-metals?

Question # 24

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

Question # 25

Oxidation of NO in air produces

Question # 26

Which property is not present in non-metals:

Question # 27

Which can be prepared from HNO3?

Question # 28

Which has sweetish taste?

Question # 29

Aqua Regia has ratio of conc. HCl and HNO3

Question # 30

Bone ash contains calcium phosphate

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
2 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
3 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
4 Which can be prepared from HNO3?
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
5 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
6 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
7 Nitrogen is present in atmosphere by weight
A. 75%
B. 76%
C. 77%
D. 78%
8 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
9 Which gas is heavier than air?
A. CO2
B. NH3
C. Cl2
D. CO2
10 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO

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