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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
Sulphuric acid has great affinity for water because
Question # 2
HNO2acts as an/a
Question # 3
The chemical formula of magnesite is
Question # 4
Chemical composition of colemnite is:
Question # 5
Which metal is used in the thermit process because of its activity?
Question # 6
Which of the following is not the reactions of lithium
Question # 7
As a fixing agent in photography, sodium thisoulphate is used for
Question # 8
Which of the following is acidic?
Question # 9
Which of the following are electropositive in nature
Question # 10
Which one of the following does not belong to alkaline earth metals
Question # 11
On alkali and alkaline earth metals down the group, there is decreasing trend in
Question # 12
Basicity of orthoposphoric acid is
Question # 13
The electrolytic cell used for the production of metallic sodium is known as
Question # 14
Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly
Question # 15
NaHCO3is commonly called
Question # 16
Which will have the maximum value of heat of hydration
Question # 17
The chemical formula of gypsum is
Question # 18
Which carbonate of alkali metals is insoluble in water
Question # 19
Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?
Question # 20
Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
Question # 21
Which has soapy touch?
Question # 22
______ is used in breathing equipments for mountaineers and in space craft
Question # 23
Where lime is not used
Question # 24
Which of the element is not an alkaline earth metal
Question # 25
The number of electron that are paired in oxygen molecule are
Question # 26
Which one of the following properties is not correct for ozone?
Question # 27
Which of all following compound is not possible
Question # 28
Commercial common salt becomes slight damp on storing because
Question # 29
The maximum number of electrons in the outermost shall of s-black elements is
Question # 30
Which of the following sulphates is not soluble in water
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 -
C Chhabibullah1492 Habib 26 - Feb - 2024 11 Min 13 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 | The ore CaSO42H2O has the general name |
A. Gypsum
B. Dolomite
C. Calcite
D. Epsom salt
|
| 2 | Which is litharge or massicot? |
A. PbO
B. Pb2O
C. Pb3O4
D. PbO2
|
| 3 | Some of the elements of a period show similar behavior with the elements of next group in next period this is called |
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
|
| 4 | P2O5is heated with water to give |
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
|
| 5 | The acid which has a peroxy linkage is |
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
|
| 6 | The maximum number of electrons in the outermost shall of s-black elements is |
A. One
B. Two
C. Three
D. Four
|
| 7 | Alkali metals react violently with halogens to form |
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
|
| 8 | Which element has highest oxidation potential |
A. Li
B. Be
C. Ba
D. Ra
|
| 9 | Which of the following oxides is peroxide? |
A. Na2O2
B. MnO2
C. BaO
D. SO2
|
| 10 | Which of the following element is most reactive |
A. Li
B. Na
C. K
D. Cs
|
Test Questions
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