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

Sulphuric acid is used

Question # 2

Oxidation of NO in air produces

Question # 3

Structure of P4 is

Question # 4

Which gas is heavier than air?

Question # 5

Nitrogen is present in atmosphere by weight:

Question # 6

SO2is not absorbed in water directly to or H2SO4because:

Question # 7

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

Question # 8

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

Question # 9

Nitrogen is present in atmosphere

Question # 10

Allotropic forms of oxygen Te, Se are

Question # 11

Calcium carbonate contains oxygen in it

Question # 12

Which is an inert gas?

Question # 13

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

Question # 14

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

Question # 15

Specific gravity of HNO3 is

Question # 16

Which is laughing gas?

Question # 17

Which has sweetish taste?

Question # 18

NO2forms acidic solution:

Question # 19

Which is aqua regia?

Question # 20

Which are metalloid?

Question # 21

Allotropic forms of phosphorus are

Question # 22

Tungsten and Uranium are turned to an reaction with HNO3:

Question # 23

Allotropic forms of sulpher are

Question # 24

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

Question # 25

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

Question # 26

The most stable phosphorus allotrope is

Question # 27

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

Question # 28

Tungsten and uranium are turned to an reaction with HNO3

Question # 29

Ring testis given by ions.

Question # 30

Which property is not present in non-metals:

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ECAT Chemistry Chapter 15 Important MCQ's

Sr.# Question Answer
1 Specific gravity of HNO3 is
A. 1.35
B. 1.53
C. 1.39
D. 1.93
2 Oxidation of NO in air produces
A. N2O
B. N2O3
C. N2O4
D. N2O5
3 Which are metalloid?
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
4 Tungsten and Uranium are turned to an reaction with HNO3:
A. Oxides
B. chlorides
C. Nitrides
D. Nitrates
5 Calcium carbonate contains oxygen in it
A. 48%
B. 50%
C. 53%
D. 60%
6 Allotropic forms of phosphorus are
A. three
B. four
C. five
D. six
7 SO3 is not absorbed in water directly to or H2SO4 because
A. the reaction does not go to completion.
B. the reaction is quite slow.
C. the reaction is exothermic.
D. SO3 is insoluble in water.
8 Which has sweetish taste?
A. N2O
B. NH3
C. Cl2
D. CO2
9 Group VI-A elements are called:
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
10 Nitrogen is present in atmosphere
A. 21%
B. 36%
C. 89%
D. 78%

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