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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
Out of all the elements of group V-A, the highest ionization energy is possessed by
Question # 2
Which phosphorus is the most poisonous?
Question # 3
Allotropic forms of sulpher are
Question # 4
Laughing gas is chemically
Question # 5
Which of the following species has the maximum number of unpaired electrons?
Question # 6
Which is nitrous acid?
Question # 7
Among group V-A elements, the most electronegative element is:
Question # 8
Which element belongs to group V-A?
Question # 9
All elements of group VI-A non-metal except
Question # 10
Oxidation of NO in air produces
Question # 11
Formation of NO from N2 and O2 requires temp
Question # 12
Which can be prepared from HNO3?
Question # 13
Which is aqua regia?
Question # 14
Nitrogen is present in atmosphere by weight
Question # 15
Structure of P4 is
Question # 16
Group VI-A elements are called:
Question # 17
NO2forms acidic solution:
Question # 18
Which has sweetish taste?
Question # 19
Reaction of HNO, with very dilute Zinc and at low temperature gives
Question # 20
Bone ash contains calcium phosphate
Question # 21
SO2is not absorbed in water directly to or H2SO4because:
Question # 22
Allotropic forms of oxygen Te, Se are
Question # 23
Which is the most reactive?
Question # 24
Sulphuric acid is used
Question # 25
Nitrogen is present in atmosphere
Question # 26
Which property is not present in non-metals:
Question # 27
Nitrogen is present in atmosphere
Question # 28
Calcium carbonates contains oxygen in it:
Question # 29
Specific gravity of HNO3 is
Question # 30
Allotropic forms of phosphorus are
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 | Calcium carbonates contains oxygen in it: |
A. 48%
B. 50%
C. 53%
D. 60%
|
| 2 | Out of all the elements of group V-A, the highest ionization energy is possessed by |
A. N
B. P
C. Sb
D. Bi
|
| 3 | Ring testis given by ions. |
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
|
| 4 | Nitrogen is present in atmosphere by weight: |
A. 75%
B. 76%
C. 77%
D. 78%
|
| 5 | Bone ash contains calcium phosphate |
A. 70%
B. 80%
C. 90%
D. 100%
|
| 6 | Reaction of HNO, with very dilute Zinc and at low temperature gives |
A. H2
B. NO
C. NO2
D. NH4
|
| 7 | Which phosphorus is the most poisonous? |
A. White
B. Red
C. Black
D. All
|
| 8 | Aqua Regia has ratio of conc. HCl and HNO3 |
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
|
| 9 | Which is the most reactive? |
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
|
| 10 | The brown gas formed when metal reduces HNO3is |
A. N2O5
B. N2O3
C. NO2
D. NO
|
Test Questions
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