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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 V1-A the highest melting and boiling points is shown by the element
Question # 2
Which is the most reactive?
Question # 3
Nitrogen is present in atmosphere by weight:
Question # 4
The brown gas formed when metal reduces HNO3is
Question # 5
Nitrogen is present in atmosphere
Question # 6
Nitrogen is present in atmosphere by weight
Question # 7
Allotropic forms of sulpher are
Question # 8
Which has garlic like odour?
Question # 9
Allotropic forms of oxygen Te, Se are
Question # 10
All elements of group VI-A non-metal except
Question # 11
Colour of PCl5is:
Question # 12
Which is an inert gas?
Question # 13
Which are metalloid?
Question # 14
Bone ash contains calcium phosphate
Question # 15
Tungsten and uranium are turned to an reaction with HNO3
Question # 16
SO2is not absorbed in water directly to or H2SO4because:
Question # 17
What are non-metals?
Question # 18
Oxidation of NO in air produces
Question # 19
Which element of group IV-A does not use d — orbital?
Question # 20
Aqua Regia has ration of conc. HCl and HNO3.
Question # 21
Colour of N2O4 is
Question # 22
Which catalyst is used in contact process?
Question # 23
Out of all the elements of group V-A, the highest ionization energy is possessed by
Question # 24
SO3 is not absorbed in water directly to or H2SO4 because
Question # 25
Which gas is heavier than air?
Question # 26
Calcium carbonate contains oxygen in it
Question # 27
Out of all the elements of group V-A , the highest ionization energy is possessed by:
Question # 28
Structure of P4 is
Question # 29
Which property is not present in non-metals:
Question # 30
Which is aqua regia?
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 | Allotropic forms of oxygen Te, Se are |
A. Two
B. Three
C. Four
D. Five
|
| 2 | NO2 forms acidic solution |
A. Red
B. Blue
C. Green
D. Brown
|
| 3 | The most stable phosphorus allotrope is |
A. White
B. Red
C. Black
D. All
|
| 4 | Which element of group IV-A does not use d — orbital? |
A. N
B. P
C. As
D. Sb
|
| 5 | Out of all the elements of group V-A, the highest ionization energy is possessed by |
A. N
B. P
C. Sb
D. Bi
|
| 6 | Nitrogen is present in atmosphere by weight |
A. 75%
B. 76%
C. 77%
D. 78%
|
| 7 | Ring testis given by ions. |
A. Nitrides
B. Nitrates
C. Cyanates
D. Nitriles
|
| 8 | NO2forms acidic solution: |
A. Red
B. Blue
C. Green
D. Brown
|
| 9 | Which can be prepared from HNO3? |
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
|
| 10 | Laughing gas is chemically |
A. NO
B. N2O
C. NO2
D. N2O4
|
Test Questions
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