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Chemistry
5. Periodic Classification of Elements
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Q13 of 60 Page 140

What type of oxide would Eka-aluminium form?

Eka-aluminium has the properties similar to the aluminium so it forms the same type of oxide as that of aluminium i.e. E2O3.

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11

Arrange the following elements in the order of their decreasing metallic character: Na, Si, Cl, Mg, Al

12

Arrange the following elements in the order of their increasing non-metallic character: Li, O, C, Be, F.

14

Three elements B, Si and Ge are:

15

Which of the following elements will form an acidic oxide?

Questions · 60
5. Periodic Classification of Elements
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