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

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 2

Colour of N2O4 is

Question # 3

Which is laughing gas?

Question # 4

Which is the most reactive?

Question # 5

Formation of NO from N2 and O2 requires temp

Question # 6

Nitrogen is present in atmosphere

Question # 7

Ring testis given by ions.

Question # 8

Which element belongs to group V-A?

Question # 9

Nitrogen is present in atmosphere by weight:

Question # 10

Posphorus belongs to a group

Question # 11

Aqua Regia has ration of conc. HCl and HNO3.

Question # 12

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

Question # 13

Nitrogen is present in atmosphere

Question # 14

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

Question # 15

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

Question # 16

Colour of PCl5is:

Question # 17

Allotropic forms of oxygen Te, Se are

Question # 18

Which are metalloid?

Question # 19

Oxidation of NO in air produces

Question # 20

Bone ash contains calcium phosphate

Question # 21

Specific gravity of HNO3 is

Question # 22

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

Question # 23

What are non-metals?

Question # 24

Which has garlic like odour?

Question # 25

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

Question # 26

Calcium carbonate contains oxygen in it

Question # 27

Tungsten and uranium are turned to an reaction with HNO3

Question # 28

Aqua Regia has ratio of conc. HCl and HNO3

Question # 29

Allotropic forms of sulpher are

Question # 30

Laughing gas is chemically

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
2 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
3 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
4 The brown gas formed when metal reduces HNO3is
A. N2O5
B. N2O3
C. NO2
D. NO
5 Which phosphorus is the most poisonous?
A. White
B. Red
C. Black
D. All
6 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
7 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
8 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%
9 Which has garlic like odour?
A. N2O
B. NO
C. NO2
D. NH4
10 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

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