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Why is sodium kept immersed in kerosene ...

Why is sodium kept immersed in kerosene oil?

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Why sodium are kept immersed in kerosene oil?

Give an example of a metal which: is kept immersed in kerosene for storing.

T/F Sodium metal is kept immersed in kerosene.

Potassium metal is kept under kerosene oil, why?

Why can't sodium be stored in water ?

Give reasons for the following : Sodium and pottasium are stored in kerosene.

MBD-MATERIALS: METALS AND NON-METALS-EXAMPLE
  1. State two physical properties on the basis of which metals may be dist...

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  2. State one chemical property which may be used to distinguish a metal f...

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  3. Why is sodium kept immersed in kerosene oil?

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  4. Explain the following: Acidic oxides

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  5. Explain the following: Basic ocides

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  6. Explain the occurrence of metals in nature.

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  7. What do you understand by ductility and malleability of a metal? Give ...

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  8. Silver does not combine easily with oxygen but silver jewellery tarnis...

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  9. Why do gold ornaments look new even after several years of use?

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  10. Magnesium and copper metals are heated directly over a flame. Which of...

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  11. CuSO4 + Fe rarr FeSO4 +Cu feSO4 + Zn rarr ZnSO4 + Fe br> On the basi...

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  12. Why are pickles, chutney and citrus fruits not stored in iron and alum...

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  13. what happen when a piece of zinc is added to copper sulphate solution?

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  14. Can copper displace iron from iron sulphate solution? Give reasons.

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  15. Why does aluminium vessel lose its lusture after sometime?

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  16. Why aluminium metal is preferred to copper for making cooking utensils...

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  17. What is corrosion? What are the different ways to reduce corrosion?

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  18. In which atomic model electrons in the ground state are in stable equi...

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  19. Does copper rust? What will happen if copper is exposed to moist air?

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  20. Give reasons for the following: Aluminium is used in making parts of ...

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