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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
Corrundam is ore of:
Question # 2
Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
Question # 3
Ozone is not
Question # 4
Al is the most element in earth crust:
Question # 5
The metal with highest electrical resistance at room temperature is
Question # 6
Chief ore of aluminium is:
Question # 7
Polyanion formation is maximum in
Question # 8
Chemical composition of colemnite is:
Question # 9
LiOH ______ soluble than NaOH
Question # 10
Phosphide ion has the electronic structure similar to that of
Question # 11
The oxide of beryllium is
Question # 12
Bond angle is minimum for
Question # 13
The acid which has a peroxy linkage is
Question # 14
P2O5is heated with water to give
Question # 15
Borax is hydrated:
Question # 16
______ reacts with alkalis to give hydrogen
Question # 17
What causes nitrogen to be chemically inert?
Question # 18
Which element forms an iron with charge 3+?
Question # 19
HNO2acts as an/a
Question # 20
In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
Question # 21
Carbonates of alkali metals dissolves freely in water to form
Question # 22
The element caesium bears resemblance with
Question # 23
The chemical formula of Trona is
Question # 24
Plaster of pares is obtained by heating
Question # 25
______ is called milk of magnesia
Question # 26
Which is used to remove air bubbles form metals?
Question # 27
Which of the following salt is soluble in water
Question # 28
Which of the following are electropositive in nature
Question # 29
White phosphorus is
Question # 30
The electrolytic cell used for the production of metallic sodium 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 | Pb has inert pair of electrons: |
A. One
B. Two
C. Three
D. Four
|
| 2 | Phosphorus pentoxide finds use as |
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
|
| 3 | The chemical formula of Trona is |
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
|
| 4 | What is chrome yellow? |
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
|
| 5 | The element caesium bears resemblance with |
A. Ca
B. Cr
C. Rubidium
D. None of the above
|
| 6 | HNO2acts as an/a |
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
|
| 7 | The metal with highest electrical resistance at room temperature is |
A. Pb
B. Te
C. Po
D. Fe
|
| 8 | Which is an essential constituent of chlorophyll |
A. Be
B. Fe
C. Mg
D. Ca
|
| 9 | Density of aluminium is (g cm-3): |
A. B
B. Al
C. Si
D. Ge
|
| 10 | The number of unpaired electrons in the p-subshell of oxygen atom |
A. 1
B. 2
C. 3
D. 4
|
Test Questions
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