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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
Calcium carbonate contains oxygen in it
Question # 2
Bone ash contains calcium phosphate
Question # 3
Reaction of HNO, with very dilute Zinc and at low temperature gives
Question # 4
Specific gravity of HNO3 is
Question # 5
Which element of group IV-A does not use d-orbital?
Question # 6
Which is laughing gas?
Question # 7
The most stable phosphorus allotrope is
Question # 8
What are non-metals?
Question # 9
Group VI-A elements are called:
Question # 10
Which is nitrous acid?
Question # 11
Which is an inert gas?
Question # 12
Which can be prepared from HNO3?
Question # 13
Aqua Regia has ratio of conc. HCl and HNO3
Question # 14
Which of the following species has the maximum number of unpaired electrons?
Question # 15
Among group V-A elements, the most electronegative element is:
Question # 16
Posphorus belongs to a group
Question # 17
Sulphuric acid is used
Question # 18
Which property is not present in non-metals:
Question # 19
Allotropic forms of sulpher are
Question # 20
Structure of P4 is
Question # 21
Which catalyst is used in contact process?
Question # 22
Which property is not present in non-methals
Question # 23
Allotropic forms of phosphorus are
Question # 24
Tungsten and Uranium are turned to an reaction with HNO3:
Question # 25
Oxidation of NO in air produces
Question # 26
Which phosphorus is the most poisonous?
Question # 27
Which has sweetish taste?
Question # 28
SO2is not absorbed in water directly to or H2SO4because:
Question # 29
All elements of group VI-A non-metal except
Question # 30
The brown gas formed when metal reduces HNO3is
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 -
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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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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 property is not present in non-metals: |
A. Predominantly covalent
B. Poor conductor
C. High E.N. Value
D. High electropositivity
|
| 2 | Allotropic forms of oxygen Te, Se are |
A. Two
B. Three
C. Four
D. Five
|
| 3 | Which of the following species has the maximum number of unpaired electrons? |
A. O2
B. O2+
C. O2-
D. O2-2
|
| 4 | Which is an inert gas? |
A. Nitrogen
B. Oxygen
C. Hydrogen
D. CO
|
| 5 | Nitrogen is present in atmosphere by weight: |
A. 75%
B. 76%
C. 77%
D. 78%
|
| 6 | Which can be prepared from HNO3? |
A. T.N.T
B. Fertilizers
C. Picric acid
D. All of these
|
| 7 | Aqua Regia has ration of conc. HCl and HNO3. |
A. 1 : 2
B. 1 : 3
C. 1 : 4
D. 2 : 3
|
| 8 | Which element of group IV-A does not use d-orbital? |
A. N
B. P
C. As
D. Sb
|
| 9 | Sulphuric acid is used |
A. As fertilizers
B. As dehydrating agent
C. As oxidizing agent
D. All above
|
| 10 | Formation of NO from N2 and O2 requires temp |
A. 300C
B. 3000C
C. 30000C
D. 300000C
|
Test Questions
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