| 1 |
Hydrogen resembles in properties with |
- A. IA, IV A and VII A elements
- B. III A, IV A and V A elements
- C. II A, IV A and VI A elements
- D. II A, III A and VII A elements
|
| 2 |
The basis of modern periodic table is |
- A. Electron affinity
- B. Atomic mass
- C. Ionization Potential
- D. Atomic number
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| 3 |
Which the correct statement |
- A. Cl<sup>-</sup>is smaller than Cl atom
- B. Cl<sup>-</sup>(Ion) and Cl (atom) are equal in size
- C. Na<sup>+</sup>is smaller than Na atom
- D. Na<sup>+</sup>is larger than Na atom
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| 4 |
Which element has lowest melting point |
- A. Beryllium
- B. Magnesium
- C. Calcium
- D. Barium
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| 5 |
In which compound, oxidation state of sulphur is +6 |
- A. H2S
- B. H2SO4
- C. H2SO3
- D. SO3
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| 6 |
Mark the incorrect statement |
- A. Metallic character increase down the group
- B. Metallic character increase from left to right along a period
- C. Metallic character decrease from left to right along a period
- D. Metallic character remains the same down the group
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| 7 |
In which block of periodic table non metals are present. |
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| 8 |
The oxides of metal sare generally |
- A. Acidic
- B. Basic
- C. Neutral
- D. Amphoteric
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| 9 |
What criteria did Mendeleev use in arranging his periodic table. |
- A. Atomic mass
- B. Atomic number
- C. Mass number
- D. Density
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| 10 |
What are the total numbers of periods in the modern periodic table. |
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