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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
Colour of bromine is
Question # 2
Hydrogen bond is the strongest between the molecules of
Question # 3
Half life period of astatine is
Question # 4
Which is used in arc welding and cutting?
Question # 5
Angle is OF2is
Question # 6
Which noble gas is used in mixture used for breathing by divers?
Question # 7
Which halogen occurs naturally in a positive oxidation state?
Question # 8
Which is the strongest acid?
Question # 9
Which is present as a result of radioactive decay on earth?
Question # 10
Corrosion proof parts of machinery are prepared from
Question # 11
Bleaching powder is prepared by the reaction of Cl2 with.
Question # 12
Bleaching powder is agent:
Question # 13
Smell of halogen is
Question # 14
The most reactive elements are:
Question # 15
Which of the following hydrogen halide is the weakest acid in solution
Question # 16
An element that has a high ionization energy and tends to be chemically inactive would most likely to be
Question # 17
Which has the least oxidizing power?
Question # 18
Which compound of noble gas xenon can be prepared?
Question # 19
Nobel gases are placed group:
Question # 20
The strongest acid is
Question # 21
Astatine belongs to group:
Question # 22
Halogens are called.
Question # 23
Which has complete valence shell?
Question # 24
Bleaching powder may be produced by passing chlorine over
Question # 25
Colour of chlorine is
Question # 26
Radioactive element in halogens is
Question # 27
Gaseous HF exists in the form of
Question # 28
The strongest hydrogen bond is in
Question # 29
The only non-metal in liquid form is
Question # 30
Which is used as cooling medium in nuclear reactors?
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 | Half life period of astatine is |
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
|
| 2 | Halogens are called |
A. Salt former
B. Light bearing
C. Copper forming
D. none of these
|
| 3 | Which halogen has Iustrous shining? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 4 | Which is used in arc welding and cutting? |
A. He
B. Ne
C. Ar
D. Kr
|
| 5 | Which is the strongest acid? |
A. HClO
B. HClO2
C. HClO3
D. HClO4
|
| 6 | Non sticking coating in cooking utensils is done by |
A. Iron
B. Cooper
C. Plastic
D. Teflon
|
| 7 | Perchloric acid can be stored in solution form |
A. 47%
B. 57%
C. 67%
D. 77%
|
| 8 | Which noble gas is used in mixture used for breathing by divers? |
A. Cl2
B. NH3
C. CO2
D. He
|
| 9 | The noble gases are |
A. Mono atomio
B. Diatomic
C. Polyatomic
D. All
|
| 10 | Used in tooth pastes is |
A. Fluorides
B. Iodides
C. halides
D. nitrides
|
Test Questions
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