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You are given samples of three metals-so...

You are given samples of three metals-sodium, magnesium and copper suggest any two activities to arrange them in order of their decreasing reactivities.

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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. (a). Give one example, with equation, of the displacement of hydrogen ...

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  2. What is the action of water on (a) sodium (b) magnesium, and (c) alumi...

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  3. You are given samples of three metals-sodium, magnesium and copper sug...

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  4. (a). Write one reaction in which aluminimum oxide behaves as a basic o...

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  5. (a). What happens when calcium reacts with water? Write the chemical e...

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  6. You are given a dry cell, a torch bulb with holder, wires ad crocodile...

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  7. State any five physical properties of metals and five physical propert...

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  8. (a). Name two physical properties each of sodium and carbon in which t...

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  9. Metals are said to be shiny. Why do metals generally appear to be dull...

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  10. (a). What are metals? Name five metals. (b). Name a metal which is s...

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  11. (a). Define non-metals. Give five examples of non-metals. (b). Name ...

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  12. (a). What is meant by the reactivity series of metals ? Arrange the fo...

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  13. The elements whose oxides can turn phenolphthalein solution pink are:

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  14. "Is malleable and ductile " best describes:

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  15. One of the following is not a neutral oxide. This is :

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  16. A basic oxide will formed by the element :

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  17. An acidic oxide iis produced by the element:

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  18. You are given a solution of AgNO(3) which of the following do you thin...

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  19. Out of aluminium, copper, calcium and tin, the most reactive metal is:

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  20. The least reactive metal among the following is :

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