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Chemistry Fsc Part 1 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | The atomic radius geneally ......across a period in the periodic table. |
<p>Increase</p> <p>Decreases</p> <p>Remains constant</p> <p>First increasses then decreases</p> |
| 2 | Which is the correct trend in variation of electrongativity along a period of the periodic table. |
<p>It tdecreases from left to right across a period</p> <p>It increases from left to right across a period</p> <p>It remians constant</p> <p>It has no definite trend</p> |
| 3 | What is teh oxidation state of sulfur in the sulfate ion SO-24 |
<p>+4</p> <p>+6</p> <p>+2</p> <p>0</p> |
| 4 | Which is the correct general trend in the variation of electron affinity in a group |
<p>It becomes less negative from top to bottom</p> <p>It becomes more negative from top to bottom</p> <p>It remains the same</p> <p>It has no definit trend and changes irregularly</p> |
| 5 | Which one is the correct statemetn among the following |
<p>Anionic radius is generally smaller than atomic radius</p> <p>Cationic radius is generally bigger than atomic radius</p> <p>Cationic radius is generally smaller than atomic radius</p> <p>Both anionic and cationic radii are smaller than atomic radius</p> |
| 6 | Which of the following atoms show more than one oxidation states. |
<p>Phosphorous</p> <p>Magnetsium</p> <p>Sodium</p> <p>Aluminium</p> |
| 7 | Which set of the followig conditions results in higher ionization energy. |
<p>Smaller atom and greater nuclear charge</p> <p>Smaller atom and smaller nuclear charge</p> <p>Larger atom and greater nuclear charge</p> <p>Large atom and the smaller nuclear charge</p> |
| 8 | Which property increases as you go down a group in the periodic table? |
<p>Atomic radium</p> <p>Elecron affinity</p> <p>Electronegativity</p> <p>Ionization Energy</p> |
| 9 | Which one do you think is correct about metallic character. |
<p>It decrease frin tio ti vittin ub a griyo</p> <p>It increases from top to bottom in a group</p> <p>It remians constant fro left to right in a period</p> <p>It increases from left to right in a period</p> |
| 10 | Recognize the elemetn if it has 3 electron shells. belongs to 's" block and has 2 electrons in its outer most shell |
<p>Calcium</p> <p>Sodium</p> <p>Magnesium</p> <p>Potassium</p> |
| 11 | Which scientist first time observed eh periodiciy in the elements. |
<p>Dobereiner</p> <p>D. Mendeleev</p> <p>j. Newlands </p> <p>L. Meyer</p> |
