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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
Posphorus belongs to a group
Question # 2
The brown gas formed when metal reduces HNO3is
Question # 3
Aqua Regia has ration of conc. HCl and HNO3.
Question # 4
Colour of N2O4 is
Question # 5
Sulphuric acid is used
Question # 6
Which element of group IV-A does not use d — orbital?
Question # 7
Which is an inert gas?
Question # 8
Tungsten and Uranium are turned to an reaction with HNO3:
Question # 9
Which is laughing gas?
Question # 10
Allotropic forms of oxygen Te, Se are
Question # 11
Ring testis given by ions.
Question # 12
Nitrogen is present in atmosphere by weight:
Question # 13
Nitrogen is present in atmosphere
Question # 14
Allotropic forms of phosphorus are
Question # 15
Which property is not present in non-metals:
Question # 16
Which are metalloid?
Question # 17
Reaction of HNO, with very dilute Zinc and at low temperature gives
Question # 18
NO2forms acidic solution:
Question # 19
SO2is not absorbed in water directly to or H2SO4because:
Question # 20
Out of all the elements of group V-A , the highest ionization energy is possessed by:
Question # 21
Nitrogen is present in atmosphere
Question # 22
Calcium carbonates contains oxygen in it:
Question # 23
Oxidation of NO in air produces
Question # 24
Which is nitrous acid?
Question # 25
Specific gravity of HNO3 is
Question # 26
Which element belongs to group V-A?
Question # 27
Aqua Regia has ratio of conc. HCl and HNO3
Question # 28
Colour of PCl5is:
Question # 29
The most stable phosphorus allotrope is
Question # 30
What are non-metals?
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 | Which is laughing gas? |
A. NO
B. N2O
C. NO2
D. NO3
|
| 3 | Nitrogen is present in atmosphere by weight |
A. 75%
B. 76%
C. 77%
D. 78%
|
| 4 | Which is the most reactive? |
A. White phosphorus
B. Red Phosphorus
C. Graphite
D. Plastic sulphur
|
| 5 | SO2is not absorbed in water directly to or H2SO4because: |
A. The reaction does not go to completion
B. the reaction is quite slow
C. the reaction is exothemic
D. SO3is insolublein water
|
| 6 | Nitrogen is present in atmosphere |
A. 36%
B. 78%
C. 89%
D. 21%
|
| 7 | Bone ash contains calcium phosphate |
A. 70%
B. 80%
C. 90%
D. 100%
|
| 8 | Allotropic forms of phosphorus are |
A. three
B. four
C. five
D. six
|
| 9 | Which of the following species has the maximum number of unpaired electrons? |
A. O2
B. O2+
C. O2-
D. O2-2
|
| 10 | Which catalyst is used in contact process? |
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
|
Test Questions
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