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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
Which is an inert gas?
Question # 2
Out of all the elements of group V1-A the highest melting and boiling points is shown by the element
Question # 3
Sulphuric acid is used
Question # 4
Calcium carbonate contains oxygen in it
Question # 5
Allotropic forms of oxygen Te, Se are
Question # 6
Ring testis given by ions.
Question # 7
Which of the following species has the maximum number of unpaired electrons?
Question # 8
Which are metalloid?
Question # 9
Which phosphorus is the most poisonous?
Question # 10
NO2forms acidic solution:
Question # 11
Which has sweetish taste?
Question # 12
Calcium carbonates contains oxygen in it:
Question # 13
Posphorus belongs to a group
Question # 14
SO2is not absorbed in water directly to or H2SO4because:
Question # 15
Which is the most reactive?
Question # 16
Allotropic forms of phosphorus are
Question # 17
Tungsten and uranium are turned to an reaction with HNO3
Question # 18
Colour of N2O4 is
Question # 19
Aqua Regia has ratio of conc. HCl and HNO3
Question # 20
Which element belongs to group V-A?
Question # 21
SO3 is not absorbed in water directly to or H2SO4 because
Question # 22
Nitrogen is present in atmosphere
Question # 23
Out of all the elements of group V-A, the highest ionization energy is possessed by
Question # 24
Out of all the elements of group V-A , the highest ionization energy is possessed by:
Question # 25
Allotropic forms of sulpher are
Question # 26
Which property is not present in non-metals:
Question # 27
Which has garlic like odour?
Question # 28
Structure of P4 is
Question # 29
Tungsten and Uranium are turned to an reaction with HNO3:
Question # 30
Nitrogen is present in atmosphere by weight:
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 -
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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 of the following species has the maximum number of unpaired electrons? |
A. O2
B. O2+
C. O2-
D. O2-2
|
| 2 | Group VI-A elements are called: |
A. Halogens
B. Electron deficient
C. alkaline earth metal
D. Chalcogens
|
| 3 | Which has sweetish taste? |
A. N2O
B. NH3
C. Cl2
D. CO2
|
| 4 | Which are metalloid? |
A. Nitrogen and phosphorous
B. Arsenic and phosphorous antimony
C. Phosphorous and arsenic
D. Antimony and bismuth
|
| 5 | Specific gravity of HNO3 is |
A. 1.35
B. 1.53
C. 1.39
D. 1.93
|
| 6 | Calcium carbonates contains oxygen in it: |
A. 48%
B. 50%
C. 53%
D. 60%
|
| 7 | Oxidation of NO in air produces |
A. N2O
B. N2O3
C. N2O4
D. N2O5
|
| 8 | Nitrogen is present in atmosphere |
A. 36%
B. 78%
C. 89%
D. 21%
|
| 9 | The most stable phosphorus allotrope is |
A. White
B. Red
C. Black
D. All
|
| 10 | Among group V-A elements, the most electronegative element is: |
A. Sb
B. N
C. P
D. As
|
Test Questions
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