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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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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements
00:00
Question # 1
Sulphuric acid is used
Question # 2
Bone ash contains calcium phosphate
Question # 3
Which has garlic like odour?
Question # 4
Among group V-A elements, the most electronegative element is
Question # 5
Oxidation of NO in air produces
Question # 6
Which phosphorus is the most poisonous?
Question # 7
Among group V-A elements, the most electronegative element is:
Question # 8
Nitrogen is present in atmosphere
Question # 9
Tungsten and Uranium are turned to an reaction with HNO3:
Question # 10
Nitrogen is present in atmosphere by weight
Question # 11
The brown gas formed when metal reduces HNO3is
Question # 12
NO2 forms acidic solution
Question # 13
Out of all the elements of group V-A, the highest ionization energy is possessed by
Question # 14
The most stable phosphorus allotrope is
Question # 15
Which element of group IV-A does not use d-orbital?
Question # 16
What are non-metals?
Question # 17
Which gas is heavier than air?
Question # 18
Aqua Regia has ratio of conc. HCl and HNO3
Question # 19
Which is nitrous acid?
Question # 20
Which has sweetish taste?
Question # 21
SO3 is not absorbed in water directly to or H2SO4 because
Question # 22
Structure of P4 is
Question # 23
Allotropic forms of sulpher are
Question # 24
Allotropic forms of phosphorus are
Question # 25
Group VI-A elements are called:
Question # 26
Which is the most reactive?
Question # 27
Formation of NO from N2 and O2 requires temp
Question # 28
Allotropic forms of oxygen Te, Se are
Question # 29
Which property is not present in non-metals:
Question # 30
All elements of group VI-A non-metal except
Top Scorers Of ECAT Chemistry Chapter 15 Group IV-A and VI-A Elements MCQ`s Test
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T Tasawar Hussain 24 - Feb - 2024 01 Min 57 Sec 120/120 -
T TETO Teto 13 - Mar - 2023 00 Min 29 Sec 115/120 -
N Nasreen Sardar 10 - Jun - 2023 02 Min 12 Sec 110/120 -
Z Zulnurain zulfiqar 16 - Feb - 2023 03 Min 42 Sec 105/120 -
A Ayesha Ch 11 - Mar - 2024 03 Min 49 Sec 105/120 -
O Omer Farooq 11 - Mar - 2023 06 Min 59 Sec 105/120 -
A Arian Ahmed 08 - Mar - 2024 00 Min 06 Sec 100/120 -
K Khudeeja Iftikhar 12 - Mar - 2024 02 Min 27 Sec 100/120 -
M minha rasheed 20 - Feb - 2023 02 Min 59 Sec 100/120 -
D Daim Ali 05 - Dec - 2023 03 Min 14 Sec 95/120 -
K Khan Abdullah Asghar Mahmood 28 - Feb - 2024 02 Min 59 Sec 90/120 -
M mohammad ashraf 24 - Feb - 2024 12 Min 11 Sec 90/120 -
S Shanzay 10 - Mar - 2023 03 Min 24 Sec 85/120 -
A Abdul Hannan 17 - Nov - 2023 03 Min 21 Sec 80/120 -
N Nayab Shahzad 02 - Mar - 2024 16 Min 27 Sec 80/120
ECAT Chemistry Chapter 15 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which are metalloid? |
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
|
| 2 | Nitrogen is present in atmosphere |
A. 21%
B. 36%
C. 89%
D. 78%
|
| 3 | Which element of group IV-A does not use d-orbital? |
A. N
B. P
C. As
D. Sb
|
| 4 | Out of all the elements of group V-A , the highest ionization energy is possessed by: |
A. N
B. P
C. Sb
D. Bi
|
| 5 | Calcium carbonate contains oxygen in it |
A. 48%
B. 50%
C. 53%
D. 60%
|
| 6 | 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
|
| 7 | Structure of P4 is |
A. Trigonal
B. Tetragonal
C. Hexagonal
D. Monoclinic
|
| 8 | Group VI-A elements are called: |
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
|
| 9 | Nitrogen is present in atmosphere by weight |
A. 75%
B. 76%
C. 77%
D. 78%
|
| 10 | Calcium carbonates contains oxygen in it: |
A. 48%
B. 50%
C. 53%
D. 60%
|
Test Questions
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