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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
Polyanion formation is maximum in
Question # 2
BiCl3on hydrolysis forms a white precipitate of
Question # 3
Identify the incorrect statement with respect to ozone
Question # 4
Which of the element is not an alkaline earth metal
Question # 5
When SO2is passed through acidified K2Cr2O7solution
Question # 6
Crystalline form of sulphur stable at room temperature is
Question # 7
The number of electron that are paired in oxygen molecule are
Question # 8
The number of unpaired electrons in the p-subshell of oxygen atom
Question # 9
Which one of the following pentafluorides cannot be formed?
Question # 10
Which of the following phosphorus is most reactive?
Question # 11
Which is an essential constituent of chlorophyll
Question # 12
Lime, calcium oxide, is used in agriculture for
Question # 13
Alkaline earth metals posses two electrons in their outermost
Question # 14
The oxidation number of each element of group ll-A is
Question # 15
The ore CaSO42H2O has the general name
Question # 16
Chile saltpetre has the chemical formula
Question # 17
Which of the following salt is used as purgative
Question # 18
Which is litharge or massicot?
Question # 19
Hypo is used in photography for
Question # 20
Which is not the form of silica?
Question # 21
Solvay process is used in the manufacture of
Question # 22
Which of the element is not alkali metal
Question # 23
White phosphorus is
Question # 24
Sodium hexametaphophate is known as
Question # 25
Which one of the following is not an alkali metal
Question # 26
Which of the following is the hardest metal among following
Question # 27
NaHCO3is prepared by
Question # 28
All the following decompose easily on heating to give oxygen except
Question # 29
Which of the following is formed by the action of water on sodium peroxide?
Question # 30
Permonosulphuric acid is known as
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 chemical formula of Trona is |
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
|
| 2 | Baking powder has which one of the following formula |
A. Na2CO3
B. Na2SO4
C. NaHCO3
D. K2CO3
|
| 3 | What is going to replace the petroleum? |
A. Silica
B. Silicates
C. Silicones
D. Silicon
|
| 4 | Heavy water is obtained by |
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water
|
| 5 | As a fixing agent in photography, sodium thisoulphate is used for |
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
|
| 6 | LiOH ______ soluble than NaOH |
A. More soluble
B. Less soluble
C. Equally soluble
D. None
|
| 7 | Which of the following compound is industrially prepared by the electrolysis of solution of NaCl |
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
|
| 8 | Sodium should be stored in |
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
|
| 9 | Which of the following element is most reactive |
A. Li
B. Na
C. K
D. Cs
|
| 10 | When SO2is passed through acidified K2Cr2O7solution |
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
|
Test Questions
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