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

Which phosphorus is the most poisonous?

Question # 2

Calcium carbonates contains oxygen in it:

Question # 3

NO2 forms acidic solution

Question # 4

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

Question # 5

Which can be prepared from HNO3?

Question # 6

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

Question # 7

Which is the most reactive?

Question # 8

The most stable phosphorus allotrope is

Question # 9

Specific gravity of HNO3 is

Question # 10

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

Question # 11

Which is nitrous acid?

Question # 12

Which are metalloid?

Question # 13

Nitrogen is present in atmosphere by weight

Question # 14

The brown gas formed when metal reduces HNO3is

Question # 15

Formation of NO from N2 and O2 requires temp

Question # 16

Which property is not present in non-metals:

Question # 17

SO2is not absorbed in water directly to or H2SO4because:

Question # 18

Nitrogen is present in atmosphere

Question # 19

Nitrogen is present in atmosphere

Question # 20

Laughing gas is chemically

Question # 21

Aqua Regia has ration of conc. HCl and HNO3.

Question # 22

SO3 is not absorbed in water directly to or H2SO4 because

Question # 23

Which gas is heavier than air?

Question # 24

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

Question # 25

What are non-metals?

Question # 26

Sulphuric acid is used

Question # 27

Posphorus belongs to a group

Question # 28

Which is an inert gas?

Question # 29

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

Question # 30

Bone ash contains calcium phosphate

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
2 Aqua Regia has ration of conc. HCl and HNO3.
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
3 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
4 Posphorus belongs to a group
A. III-A
B. IV-A
C. V-A
D. VI-A
5 NO2forms acidic solution:
A. Red
B. Blue
C. Green
D. Brown
6 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
7 NO2 forms acidic solution
A. Red
B. Blue
C. Green
D. Brown
8 Allotropic forms of sulpher are
A. Two
B. Three
C. Four
D. Five
9 The most stable phosphorus allotrope is
A. White
B. Red
C. Black
D. All
10 Out of all the elements of group V-A, the highest ionization energy is possessed by
A. N
B. P
C. Sb
D. Bi

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