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

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

Question # 2

Which gas is heavier than air?

Question # 3

All elements of group VI-A non-metal except

Question # 4

Nitrogen is present in atmosphere by weight:

Question # 5

Group VI-A elements are called:

Question # 6

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

Question # 7

Which has garlic like odour?

Question # 8

Which is an inert gas?

Question # 9

Bone ash contains calcium phosphate

Question # 10

Which is laughing gas?

Question # 11

Which is nitrous acid?

Question # 12

Calcium carbonate contains oxygen in it

Question # 13

NO2 forms acidic solution

Question # 14

Posphorus belongs to a group

Question # 15

Laughing gas is chemically

Question # 16

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

Question # 17

Which are metalloid?

Question # 18

SO3 is not absorbed in water directly to or H2SO4 because

Question # 19

Which is the most reactive?

Question # 20

Tungsten and uranium are turned to an reaction with HNO3

Question # 21

Nitrogen is present in atmosphere

Question # 22

Ring testis given by ions.

Question # 23

SO2is not absorbed in water directly to or H2SO4because:

Question # 24

Which property is not present in non-metals:

Question # 25

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

Question # 26

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

Question # 27

Allotropic forms of oxygen Te, Se are

Question # 28

Oxidation of NO in air produces

Question # 29

Which phosphorus is the most poisonous?

Question # 30

Specific gravity of HNO3 is

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Which is nitrous acid?
A. HNO3
B. HNO
C. HNO2
D. H2NO3
2 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
3 Which is the most reactive?
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
4 Which is an inert gas?
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
5 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
6 Which property is not present in non-metals:
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
7 Which property is not present in non-methals
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
8 Among group V-A elements, the most electronegative element is:
A. Sb
B. N
C. P
D. As
9 Which is laughing gas?
A. NO
B. N2O
C. NO2
D. NO3
10 Nitrogen is present in atmosphere
A. 36%
B. 78%
C. 89%
D. 21%

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