Entry Test MCQ :: Periodic Classification
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1. |
Elements in the same vertical group of the periodic table have same |
A. |
Number of valence electrons |
B. |
Atomic number |
C. |
Atomic mass |
D. |
Atomic volume |
Answer: Option A
Explanation:
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2. |
An element having low value of ionization energy and low value of electron affinity is likely to belong to |
A. |
Group IA |
B. |
Group IB |
C. |
Group VIIA |
D. |
Group VIII |
Answer: Option A
Explanation:
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3. |
Which set of elements is listed in order of increasing ionization energy? |
A. |
Sb < As < S < P < Cl |
B. |
Cl < Sb < P < As < S |
C. |
As < Cl < P < S < Sb |
D. |
Sb < As < Cl < S < P |
Answer: Option A
Explanation:
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4. |
Which of the following always increases on going from top to bottom in a group? |
A. |
Metallic character |
B. |
Electronegativity |
C. |
Oxidizing power |
D. |
Tendency to get reduced |
Answer: Option A
Explanation:
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5. |
Which of the p-block elements are not representative elements? |
A. |
Alkali metals (I-A) |
B. |
Group-14 elements (IV-A) |
C. |
Group-18 elements (VIII-A) |
D. |
Halogens (VII-A) |
Answer: Option C
Explanation:
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6. |
Among halogens the highest boiling point is of |
A. |
Flrorine |
B. |
Chlorine |
C. |
Bromine |
D. |
Iodine |
Answer: Option D
Explanation:
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7. |
Which of the following will not form crystalline structure with opporitely charged ions |
Answer: Option A
Explanation:
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8. |
Which statement is incorrect? |
A. |
All the metals are good conductor of electricity. |
B. |
All the metals are good conductor of heat |
C. |
All the metals form positive ions |
D. |
All the metals form acidic oxides |
Answer: Option D
Explanation:
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9. |
Periodic table provides a basic framework to study elements with respect to their |
A. |
Physical properties |
B. |
Chemical properties |
C. |
Properties of their compounds |
D. |
All |
Answer: Option D
Explanation:
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10. |
The scientist who did not contribute in the construction of periodic table? |
A. |
Al-Razi |
B. |
Moseley |
C. |
Dobereiner |
D. |
Democritus |
Answer: Option D
Explanation:
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