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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
Which is used in arc welding and cutting?
Question # 2
Smell of halogen is
Question # 3
Gaseous HF exists in the form of
Question # 4
Astatine belongs to group:
Question # 5
Oxidation state of fluorine is:
Question # 6
The strongest hydrogen bond is in
Question # 7
Corrosion proof parts of machinery are prepared from
Question # 8
The strongest acid is
Question # 9
Halogens are called.
Question # 10
Colour of bromine is
Question # 11
Angle is OF2is
Question # 12
Which of the following hydrogen halide is the weakest acid in solution?
Question # 13
Used in tooth pastes is
Question # 14
The available chlorine is bleaching power is
Question # 15
A property which differs fluorine from the other halogens?
Question # 16
The most reactive elements are
Question # 17
Noble gases are placed in group
Question # 18
Smell of halogens is:
Question # 19
Halogens are called
Question # 20
Hydrogen bond is the strongest between the molecules of
Question # 21
Colour of fluorine gas is
Question # 22
Perchloric acid can be stored in solution form
Question # 23
The noble gases are
Question # 24
Which noble gas is used in mixture used for breathing by divers?
Question # 25
Which halogen occurs naturally in a positive oxidation state?
Question # 26
Noble gases in the atmosphere are
Question # 27
Oxidation state of fluorine is
Question # 28
Which halogen has Iustrous shining?
Question # 29
Which of the following hydrogen halide is the weakest acid in solution
Question # 30
Non sticking coating in cooking utensils is done by
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 | Colour of fluorine gas is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. greyish black
|
| 2 | Noble gases in the atmosphere are |
A. 4%
B. 3%
C. 2%
D. 1%
|
| 3 | The strongest hydrogen bond is in |
A. HF
B. HCl
C. HBr
D. Hl
|
| 4 | Half life period of astatine is |
A. 8.1 hrs
B. 8.2 Hrs
C. 8.3 hrs
D. 8.4 hrs
|
| 5 | Hydrogen bond is the strongest between the molecules of |
A. HF
B. HCl
C. HBr
D. HI
|
| 6 | Which of the following represents the correct electronic configuration of the outermost energy level of an element of zero (VIIA) group in the ground state? |
A. s2p2
B. s2p4
C. s2p5
D. s2p6
|
| 7 | Colour of chlorine is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. Greyish black
|
| 8 | The compound with cyclic hexamer is |
A. HF
B. HCl
C. HBr
D. HI
|
| 9 | Chlorin heptoxide reacts with water to form: |
A. Hypochlorous acid
B. Chloric acid
C. Perchloric acid
D. Chlorine and oxygen
|
| 10 | Which has complete valence shell? |
A. C
B. N
C. O
D. Ne
|
Test Questions
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