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Give reasons for the following: Graphit...

Give reasons for the following:
Graphite is used as an electrode in the dry cell.

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MBD-MATERIALS: METALS AND NON-METALS-EXAMPLE
  1. what happen when a piece of zinc is added to copper sulphate solution?

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

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

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

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

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

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

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

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  9. Give reasons for the following: Copper is used in making electric wir...

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  10. Give reasons for the following: Silver is used in making mirrors.

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  11. Give reasons for the following: Graphite is used as an electrode in t...

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  12. Give reasons for the following: iron is used in constructing bridges ...

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  13. Write two properties of metals.

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  14. Give general physical properties of non-metals.

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  15. How do metals react with acids?

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  16. How do metals react with water?

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  17. Which of the following displacement reaction cannot accur? CuSO(4(aq...

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  18. Name three metals that you come across in your dialy life and also giv...

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  19. Differentiate between metals and non-metals on the basis of their chem...

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  20. Give general chemical properties of non-metals.

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