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MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements
Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 14 Group IIIA & IVA Elements
00:00
Question # 1
Boric acid cannot be used:
Question # 2
Sodium forms largely
Question # 3
______ is called milk of magnesia
Question # 4
Polyanion formation is maximum in
Question # 5
When a colourless gas is passed through bromine water only decolourisation takes place the gas is
Question # 6
The alkaline earth elements have in their s-orbital
Question # 7
The alkali metals form
Question # 8
Some of the elements of a period show similar behavior with the elements of next group in next period this is called
Question # 9
Which is not the form of silica?
Question # 10
Which of the following oxides is peroxide?
Question # 11
Marble is chemically
Question # 12
Which of the following fluorides does not exists?
Question # 13
Lithium reacts with air to form
Question # 14
Density of aluminium is (g cm-3):
Question # 15
The chemical formula of Trona is
Question # 16
Lime, calcium oxide, is used in agriculture for
Question # 17
Which element has highest oxidation potential
Question # 18
Chile saltpetre has the chemical formula
Question # 19
A compound used as eye wash:
Question # 20
Chemical composition of colemnite is:
Question # 21
Which of the following phosphorus is most reactive?
Question # 22
What is chrome yellow?
Question # 23
Heavy water is obtained by
Question # 24
Which of the following sulphates has the highest solubility in water
Question # 25
The chemical formula of chile salt peter is
Question # 26
Crystalline form of sulphur stable at room temperature is
Question # 27
The chemical formula of magnesite is
Question # 28
The number of unpaired electrons in the p-subshell of oxygen atom
Question # 29
Aluminium oxide is:
Question # 30
Ozone is not
Top Scorers Of ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQ`s Test
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N Nasreen Sardar 09 - Jun - 2023 05 Min 45 Sec 115/120 -
T Tasawar Hussain 22 - Feb - 2024 04 Min 52 Sec 110/120 -
T TETO Teto 13 - Mar - 2023 01 Min 57 Sec 105/120 -
O Omer Farooq 11 - Mar - 2023 13 Min 21 Sec 100/120 -
R Rana Muzamil 11 - Mar - 2024 05 Min 18 Sec 90/120 -
A Arian Ahmed 07 - Mar - 2024 00 Min 05 Sec 75/120 -
A Anibullah Anib 26 - Feb - 2024 09 Min 31 Sec 75/120 -
G Gulbaz Nadeem 14 - May - 2024 09 Min 43 Sec 75/120 -
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A Ahmed Ashraf 12 - Mar - 2023 02 Min 24 Sec 65/120 -
A Azeema Siddique Muhammad Siddique 06 - Mar - 2024 03 Min 52 Sec 65/120 -
F Fatima Isfa 26 - Feb - 2024 08 Min 58 Sec 65/120 -
N Naheed Yasir 29 - May - 2024 06 Min 39 Sec 60/120 -
Z Zoya Zoya 27 - May - 2024 11 Min 34 Sec 60/120
ECAT Chemistry Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following is lighter |
A. Li
B. k
C. Na
D. Ca
|
| 2 | Which on of the following compounds does not exist? |
A. NCl5
B. AsF5
C. SbCl5
D. PF5
|
| 3 | Hybridized in carbon is: |
A. sp
B. sp2
C. sp3
D. d2sp
|
| 4 | All the elements of oxygen family are |
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
|
| 5 | The number of unpaired electrons in the p-subshell of oxygen atom |
A. 1
B. 2
C. 3
D. 4
|
| 6 | The chemical formula of Trona is |
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
|
| 7 | Which of the following is acidic? |
A. SO3
B. N2O
C. BeO
D. HgO
|
| 8 | On alkali and alkaline earth metals down the group, there is decreasing trend in |
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
|
| 9 | Which element form group 15 gives most basic compound with hydrogen? |
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
|
| 10 | Which is an essential constituent of chlorophyll |
A. Be
B. Fe
C. Mg
D. Ca
|
Test Questions