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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
Phosphide ion has the electronic structure similar to that of
Question # 2
Which of the following is a tetrabasic acid?
Question # 3
Copper oxide is dedected by borax bead test with colour:
Question # 4
Which of the following is acidic?
Question # 5
Permonosulphuric acid is known as
Question # 6
The number of electron that are paired in oxygen molecule are
Question # 7
On alkali and alkaline earth metals down the group, there is decreasing trend in
Question # 8
The element caesium bears resemblance with
Question # 9
The oxidation number of each element of group l-A is
Question # 10
Oleum is
Question # 11
When SO2is passed through acidified K2Cr2O7solution
Question # 12
Tincal is a mineral of:
Question # 13
Which of the following elements is most metallic?
Question # 14
Boric acid cannot be used:
Question # 15
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 # 16
Corrundam is ore of:
Question # 17
In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
Question # 18
Which is an essential constituent of chlorophyll
Question # 19
Which of the following is the hardest metal among following
Question # 20
Which is litharge or massicot?
Question # 21
Al is the most element in earth crust:
Question # 22
As a fixing agent in photography, sodium thisoulphate is used for
Question # 23
Which one of the following pentafluorides cannot be formed?
Question # 24
Chemical composition of colemnite is:
Question # 25
______ is called milk of magnesia
Question # 26
Which of the following is formed by the action of water on sodium peroxide?
Question # 27
The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
Question # 28
Which is used to remove air bubbles form metals?
Question # 29
Which on of the following compounds does not exist?
Question # 30
The ore CaSO42H2O has the general name
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 -
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Z Zoya Zoya 27 - May - 2024 11 Min 34 Sec 60/120
ECAT Chemistry Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The oxidation number of each element of group ll-A is |
A. 0
B. +1
C. +2
D. -1
|
| 2 | Boric acid cannot be used: |
A. An antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes
|
| 3 | Lime, calcium oxide, is used in agriculture for |
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
|
| 4 | The metal with highest electrical resistance at room temperature is |
A. Pb
B. Te
C. Po
D. Fe
|
| 5 | P2O5is heated with water to give |
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
|
| 6 | The chemical formula of magnesite is |
A. MgCl2
B. Mg(HCO3)2
C. MgCO3
D. None of these
|
| 7 | Which is used to remove air bubbles form metals? |
A. B
B. Be
C. Mg
D. Al
|
| 8 | Borax is a common mineral of alkali metal sodium. Its formula is |
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
|
| 9 | Which of the following sulphates is not soluble in water |
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
|
| 10 | Which of the following is lighter |
A. Li
B. k
C. Na
D. Ca
|
Test Questions
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