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

Aqua Regia has ratio of conc. HCl and HNO3

Question # 2

Bone ash contains calcium phosphate

Question # 3

Which is nitrous acid?

Question # 4

The brown gas formed when metal reduces HNO3is

Question # 5

Which element belongs to group V-A?

Question # 6

Allotropic forms of oxygen Te, Se are

Question # 7

Which is an inert gas?

Question # 8

Formation of NO from N2 and O2 requires temp

Question # 9

Allotropic forms of phosphorus are

Question # 10

Which are metalloid?

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Which is aqua regia?

Question # 15

Posphorus belongs to a group

Question # 16

Structure of P4 is

Question # 17

Nitrogen is present in atmosphere by weight:

Question # 18

Colour of N2O4 is

Question # 19

Nitrogen is present in atmosphere by weight

Question # 20

Calcium carbonates contains oxygen in it:

Question # 21

Nitrogen is present in atmosphere

Question # 22

Group VI-A elements are called:

Question # 23

NO2forms acidic solution:

Question # 24

Allotropic forms of sulpher are

Question # 25

Ring testis given by ions.

Question # 26

Which has garlic like odour?

Question # 27

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

Question # 28

Oxidation of NO in air produces

Question # 29

Nitrogen is present in atmosphere

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
2 Ring testis given by ions.
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
3 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
4 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
5 Allotropic forms of oxygen Te, Se are
A. Two
B. Three
C. Four
D. Five
6 Out of all the elements of group V-A , the highest ionization energy is possessed by:
A. N
B. P
C. Sb
D. Bi
7 Nitrogen is present in atmosphere by weight:
A. 75%
B. 76%
C. 77%
D. 78%
8 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
9 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
10 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity

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