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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
Nitrogen is present in atmosphere
Question # 2
Colour of N2O4 is
Question # 3
Which are metalloid?
Question # 4
Specific gravity of HNO3 is
Question # 5
Which of the following species has the maximum number of unpaired electrons?
Question # 6
SO2is not absorbed in water directly to or H2SO4because:
Question # 7
What are non-metals?
Question # 8
Which element of group IV-A does not use d — orbital?
Question # 9
Which phosphorus is the most poisonous?
Question # 10
Which catalyst is used in contact process?
Question # 11
Reaction of HNO, with very dilute Zinc and at low temperature gives
Question # 12
Allotropic forms of oxygen Te, Se are
Question # 13
Bone ash contains calcium phosphate
Question # 14
Which gas is heavier than air?
Question # 15
Ring testis given by ions.
Question # 16
Nitrogen is present in atmosphere by weight:
Question # 17
Which is an inert gas?
Question # 18
Calcium carbonates contains oxygen in it:
Question # 19
Which has garlic like odour?
Question # 20
Oxidation of NO in air produces
Question # 21
Allotropic forms of phosphorus are
Question # 22
Which is the most reactive?
Question # 23
Which is laughing gas?
Question # 24
Out of all the elements of group V-A, the highest ionization energy is possessed by
Question # 25
NO2 forms acidic solution
Question # 26
Formation of NO from N2 and O2 requires temp
Question # 27
Group VI-A elements are called:
Question # 28
Allotropic forms of sulpher are
Question # 29
Posphorus belongs to a group
Question # 30
Laughing gas is chemically
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 | The most stable phosphorus allotrope is |
A. White
B. Red
C. Black
D. All
|
| 2 | Out of all the elements of group VI-A the highest melting and boiling points is shown by the elements: |
A. Te
B. Se
C. S
D. Pb
|
| 3 | What are non-metals? |
A. Sb & Bi
B. P & Bi
C. N & P
D. As & N
|
| 4 | Allotropic forms of oxygen Te, Se are |
A. Two
B. Three
C. Four
D. Five
|
| 5 | Which is nitrous acid? |
A. HNO3
B. HNO
C. HNO2
D. H2NO3
|
| 6 | Formation of NO from N2 and O2 requires temp |
A. 300C
B. 3000C
C. 30000C
D. 300000C
|
| 7 | Laughing gas is chemically |
A. NO
B. N2O
C. NO2
D. N2O4
|
| 8 | Out of all the elements of group V1-A the highest melting and boiling points is shown by the element |
A. Te
B. Se
C. S
D. Pb
|
| 9 | The brown gas formed when metal reduces HNO3is |
A. N2O5
B. N2O3
C. NO2
D. NO
|
| 10 | Which property is not present in non-methals |
A. Predominantly covalent
B. Poor conductor
C. Hig E.N. value
D. High electropositivity
|
Test Questions
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