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Give reasons: sodium,potassium and lithi...

Give reasons: sodium,potassium and lithium are stored under oil.

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Metals such as potassium and sodium react so vigorously that they catch fire if kept in the open. Hence, to protect them and to prevent accidental fires, they are kept immersed in kerosene oil.
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NAND LAL PUBLICATION-METALS AND NON-METALS-EXERCISES
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  5. What are amphoteric oxides? give two examples of amphoteric oxides?

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  7. In the electrolytic refining a metal M what would you take as the anod...

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  11. State two ways to prevent the rusting of iron

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  12. What type of oxides are formed when non-metals combine with oxygen?

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  13. Give reasons:Platinum,gold and silver are used to make jewellery

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  14. Give reasons: sodium,potassium and lithium are stored under oil.

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  15. Give reasons: aluminium is highly reactive metal, yet it is used to ma...

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  16. Give reasons: Carbonate and suphide ores are usually converted into ox...

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