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

Calcium carbonate contains oxygen in it

Question # 2

NO2forms acidic solution:

Question # 3

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

Question # 4

Which are metalloid?

Question # 5

Bone ash contains calcium phosphate

Question # 6

Nitrogen is present in atmosphere

Question # 7

Which element belongs to group V-A?

Question # 8

Nitrogen is present in atmosphere

Question # 9

SO2is not absorbed in water directly to or H2SO4because:

Question # 10

Tungsten and uranium are turned to an reaction with HNO3

Question # 11

The most stable phosphorus allotrope is

Question # 12

Formation of NO from N2 and O2 requires temp

Question # 13

The brown gas formed when metal reduces HNO3is

Question # 14

Colour of PCl5is:

Question # 15

Structure of P4 is

Question # 16

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 17

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

Question # 18

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

Question # 19

SO3 is not absorbed in water directly to or H2SO4 because

Question # 20

Allotropic forms of phosphorus are

Question # 21

Which gas is heavier than air?

Question # 22

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

Question # 23

Group VI-A elements are called:

Question # 24

Which has garlic like odour?

Question # 25

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

Question # 26

Which phosphorus is the most poisonous?

Question # 27

Nitrogen is present in atmosphere by weight:

Question # 28

Which has sweetish taste?

Question # 29

Posphorus belongs to a group

Question # 30

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

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which element of group IV-A does not use d-orbital?
A. N
B. P
C. As
D. Sb
2 What are non-metals?
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
3 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
4 Structure of P4 is
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
5 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%
6 Which catalyst is used in contact process?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
7 Which of the following species has the maximum number of unpaired electrons?
A. O2
B. O2+
C. O2-
D. O2-2
8 Laughing gas is chemically
A. NO
B. N2O
C. NO2
D. N2O4
9 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
10 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

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