Chemistry Fsc Part 1 Online Test With Answers

Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1

John Newlands gavt he idea of.

 <p>Law of triads</p> <p>Law of Octaves</p> <p>Modern Periodic law</p> <p>Curves between weight and volume</p>
2

Concept of Triads was given by 

 <p>Mendeleev</p> <p>L. Meyer</p> <p>Dobereiner</p> <p>Newlands</p>
3

By 1700 A.D only--------------------------- elements were recognized.

 <p>3</p> <p>6</p> <p>12</p> <p>10</p>
4

Modern periodic table provides information about...............elements.

 <p>100</p> <p>118</p> <p>110</p> <p>130</p>
5

Which one of the following element has the highest ionization energy.

 <p>Argon</p> <p>Sodium</p> <p>Aluminium</p> <p>Magnesium</p>
6

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>
7

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>
8

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>
9

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>
10

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>
11

Which of the following atoms show more than one oxidation states.

 <p>Phosphorous</p> <p>Magnetsium</p> <p>Sodium</p> <p>Aluminium</p>
12

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>
13

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>
14

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>
15

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>
16

Which scientist first time observed eh periodiciy in the elements.

 <p>Dobereiner</p> <p>D. Mendeleev</p> <p>j. Newlands&nbsp;</p> <p>L. Meyer</p>
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