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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
Which halogen occurs naturally in a positive oxidation state?
Question # 3
An element that has a high ionization energy and tends to be chemically inactive would most likely to be:
Question # 4
Corrosion proof parts of machinery are prepared from
Question # 5
Bleaching powder may be produced by passing chlorine over
Question # 6
Which is used in bacterial lamps
Question # 7
Colour of Iodine is
Question # 8
Angle is OF2is
Question # 9
Non sticking coating in cooking utensils is done by
Question # 10
Which is volatile liquid?
Question # 11
The compound with cyclic hexamer is
Question # 12
Perchloric acid can be stored in solution form
Question # 13
Radioactive element in halogens is
Question # 14
Half life of most stable isotope of astatine is
Question # 15
Smell of halogen is
Question # 16
Hydrogen bond is the strongest between the molecules of:
Question # 17
Noble gases in the atmosphere are
Question # 18
The noble gases are
Question # 19
Colour of fluorine gas is
Question # 20
An element that has a high ionization energy and tends to be chemically inactive would most likely to be
Question # 21
Halogens are called
Question # 22
Gaseous HF exists in the form of
Question # 23
Astatine belongs to group:
Question # 24
Colour of chlorine is
Question # 25
Molecule of halogens exist as
Question # 26
Colour of bromine is
Question # 27
Used in tooth pastes is
Question # 28
Oxidation state of fluorine is
Question # 29
The most reactive elements are
Question # 30
The most reactive elements 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 -
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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 -
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M Mehak Javaid 23 - Mar - 2024 11 Min 19 Sec 105/120 -
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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 | Which has complete valence shell? |
A. C
B. N
C. O
D. Ne
|
| 2 | Which is used as cooling medium in nuclear reactors? |
A. He
B. Ne
C. Ar
D. Kr
|
| 3 | Which is present as a result of radioactive decay on earth? |
A. He
B. Ne
C. Ar
D. Kr
|
| 4 | the anhydride of HCIO4is |
A. CIO3
B. ClO2
C. Cl2O5
D. Cl2O7
|
| 5 | Radioactive element in halogens is |
A. Astatine
B. bromine
C. Iodine
D. Fluorine
|
| 6 | Which halogen has maximum Van-der Waal's forces? |
A. F2
B. Cl2
C. Br2
D. I2
|
| 7 | Colour of fluorine gas is |
A. Pale yellow
B. Greenish yellow
C. Red brown
D. greyish black
|
| 8 | Non sticking coating in cooking utensils is done by |
A. Iron
B. Cooper
C. Plastic
D. Teflon
|
| 9 | Used in tooth pastes is |
A. Fluorides
B. Iodides
C. halides
D. nitrides
|
| 10 | An element that has a high ionization energy and tends to be chemically inactive would most likely to be: |
A. an alkali metal
B. a transition element
C. a noble gas
D. a halogen
|
Test Questions