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MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases
Try The MCQ's Test For ECAT Chemistry Chapter 16 The Halogens and The Noble Gases
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 16 The Halogens and The Noble Gases
00:00
Question # 1
Half life period of astatine is
Question # 2
Nobel gases are placed group:
Question # 3
Which is used as cooling medium in nuclear reactors?
Question # 4
Oxidation state of fluorine is
Question # 5
The most reactive elements are:
Question # 6
Which is present as a result of radioactive decay on earth?
Question # 7
Second most element in the universe is
Question # 8
The most reactive elements are
Question # 9
Astatine belongs to group:
Question # 10
Half life of most stable isotope of astatine is
Question # 11
Which has the least oxidizing power?
Question # 12
Which of the following hydrogen halide is the weakest acid in solution?
Question # 13
Which is volatile liquid?
Question # 14
Smell of halogen is
Question # 15
Molecule of halogens exist as
Question # 16
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Question # 17
I2O5is used for quantitative study of
Question # 18
Corrosion proof parts of machinery are prepared from
Question # 19
A property which differs fluorine from the other halogens?
Question # 20
Chlorine heptoxide (Cl2O7) reacts with water to form
Question # 21
Halogens are called.
Question # 22
Colour of fluorine gas is
Question # 23
Astatine belongs to group
Question # 24
The compound with cyclic hexamer is
Question # 25
Colour of Iodine is
Question # 26
Which of the following hydrogen halide is the weakest acid in solution
Question # 27
Which has complete valence shell?
Question # 28
Which is the strongest acid?
Question # 29
Smell of halogens is:
Question # 30
The noble gases are
Top Scorers Of ECAT Chemistry Chapter 16 The Halogens and The Noble Gases MCQ`s Test
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A Arian Ahmed 08 - Mar - 2024 00 Min 03 Sec 120/120 -
J Jiya Khan 27 - Feb - 2024 02 Min 27 Sec 120/120 -
N Naima Kausar 13 - Mar - 2023 03 Min 10 Sec 120/120 -
T TETO Teto 13 - Mar - 2023 01 Min 24 Sec 115/120 -
T Tasawar Hussain 27 - May - 2024 02 Min 04 Sec 115/120 -
N Nasreen Sardar 10 - Jun - 2023 05 Min 14 Sec 115/120 -
K Khudeeja Iftikhar 12 - Mar - 2024 02 Min 57 Sec 110/120 -
K Khan Abdullah Asghar Mahmood 28 - Feb - 2024 03 Min 20 Sec 110/120 -
M Muhammad Sabtain Umar 11 - Mar - 2023 01 Min 59 Sec 105/120 -
M Maha Musharaf 24 - Mar - 2023 02 Min 43 Sec 105/120 -
M Mehak Javaid 23 - Mar - 2024 11 Min 19 Sec 105/120 -
N Nayab Shahzad 02 - Mar - 2024 12 Min 29 Sec 105/120 -
U Unaiza Usman 15 - Feb - 2024 02 Min 40 Sec 100/120 -
D Daim Ali 05 - Dec - 2023 02 Min 26 Sec 95/120 -
A Azeema Siddique Muhammad Siddique 06 - Mar - 2024 02 Min 39 Sec 95/120
ECAT Chemistry Chapter 16 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Bleaching powder may be produced by passing chlorine over |
A. Calcium carbonate
B. Hydrated calcium sulphate
C. Anhydrous calcium sulphate
D. Calcium hydroxide
|
| 2 | Corrosion proof parts of machinery are prepared from |
A. Iron
B. Copper
C. Plastic
D. Teflon
|
| 3 | Smell of halogen is |
A. Fruity
B. Sweet
C. Irritating
D. Rotten egg
|
| 4 | The most reactive elements are |
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
|
| 5 | Which has the least oxidizing power? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 6 | Halogens are called. |
A. salt former
B. Light bearing
C. copper forming
D. None of these
|
| 7 | Nobel gases are placed group: |
A. Group IV-A
B. Group V-A
C. Group VI-A
D. Group VII-A
|
| 8 | The noble gases are |
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
|
| 9 | Molecule of halogens exist as |
A. Monatomic
B. Diatomic
C. Triatomi
D. Polyatomic
|
| 10 | Colour of chlorine is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
|
Test Questions