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An element E forms an oxide E(2)O. An aq...

An element `E` forms an oxide `E_(2)O`. An aqueous solution of `E_(2)O` turns red litmus paper blue.
(a). What is the nature of the oxide `E_(2)O`?
(b). State whether element `E` is a metal or a non-metal.
(c). Give one example of an element like `E`.

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(a). Basic oxide
(b). Metal
(c). Sodium, Na
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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. Which of the following non-metal is a liquid?

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  2. Which of the following pair of reactants can undergo a displacement re...

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  3. An element E forms an oxide E(2)O. An aqueous solution of E(2)O turns ...

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  4. Metal A burns in air, on heating, to form an oxide A(2)O(3) whereas an...

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  5. An element X forms two oxides XO and XO(2). The oxide XO has no action...

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  6. State and explain the reactions, if any, of the following metals with ...

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  7. (a). Give the names and formulae of one metal chloride and one non-met...

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  8. In a solution of lead acetate, a strip of metal M was dipped. After so...

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  9. CuSO(4)(aq)+Fe(s)toFeSO(4)(aq)+Cu(s) FeSO(4)(aq)+Zn(s)toZnSO(4)(aq)+...

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  10. Which of the following reactions will not occur ? Why not ? (a). MgS...

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  11. In nature, metal A is found in a free state while metal B is found in ...

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  12. If A,B,C,D,E,F,G,H,I,J and K represetnt metals in the decreasing order...

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  13. (a). Name a metal for each case : (i). It does not react with cold a...

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  14. A zinc plate was kept in a glass container having CuSO(4) solution. On...

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  15. What is the name of the chemical bond formed: (a). By the sharing of...

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  16. Name a carbon containing molecule which has two double bonds.

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  17. What would be the electron dot structure of carbon dioxide which has t...

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  18. What type of chemical bond is formed between: (a). Potassium and bro...

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  19. (a). What do we call those particles which have more or less electrons...

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  20. (a). The atomic number of sodium is 11. What is the number of electron...

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