Chemical Properties of Metals and Non metals

1. Write a test for alkali metals.
2. Name three reactive metals which can react with oxygen even at room temperature.
3. Write the nature of oxides formed from non metals.
4. Why are aluminium cookers anodized from inside?
5. Why are non metals stored in water?Name one such non metal.
6. Why are sodium stored under kerosene or parrafin wax?
7. Do all metals react in a similar way with water? Justify your answer with two examples.

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