| 1 |
Keeping in view size of atoms ,which order is the correct one. |
- A. Mg > Sr
- B. Ba > Mg
- C. Lu > Ce
- D. Cl > I
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| 2 |
The element of 2nd period, which has highest ionization energy from the following is |
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| 3 |
Which of the following statement is correct |
- A. Na atom is smaller than Na<sup>+</sup>
- B. Na atom is larger than K atom
- C. F atom is smaller than F<sup>-</sup>
- D. F atom is larger than F<sup>-</sup>
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| 4 |
Which one of the following sets has coinage metaals is it. |
- A. Cu, Hg, Au
- B. Cu, Ag, Au
- C. Ag, Au, Hg
- D. Cu, Fe, Au
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| 5 |
Fluorine is in group VIIA of periodic table. Its chemistry will most closely resembles that of. |
- A. Argon
- B. Boron
- C. Iodine
- D. Sulphur
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| 6 |
Correct order according to atomic size in the following is |
- A. Na > K
- B. Be > Mg
- C. O > N
- D. Cl > F
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| 7 |
Number of elements in the first period of the periodic table is |
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| 8 |
Which statement is incorrect. |
- A. All the metals are good conductors of electricity
- B. All the metals are good conductor of heat
- C. All the metal form positive ions
- D. All the metal form acidic oxides
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| 9 |
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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| 10 |
Across a period from left to right in the periodic table, the melting and boiling point. |
- A. Decrease
- B. Increase
- C. Remain constant
- D. First increase upto the middle of period and then decrease
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