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(a). Define non-metals. Give five exampl...

(a). Define non-metals. Give five examples of non-metals.
(b). Name a non-metal which conducts electricity.
(c). Name a non-metal having lustre (shining surface).
(d). Name a non-metal which is extremely hard.
(e). How do non-metals react with oxygen ? Explain with an example. Give equation of the reaction involved.
What is the nature of the product formed ? How will you demonstrate it ?

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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. Metals are said to be shiny. Why do metals generally appear to be dull...

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

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

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

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

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  6. "Is malleable and ductile " best describes:

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

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  8. A basic oxide will formed by the element :

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  9. An acidic oxide iis produced by the element:

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

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

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  12. The least reactive metal among the following is :

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  13. An element X reacts with hydrogen, when heated, to form a covalent hyd...

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  14. Out of the following oxides, the amphoteric oxide is:

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  15. The metals which can produce amphoteric oxides are :

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  16. An element X forms two oxides XO and XO(2). The oxide XO is neutral bu...

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  17. The element whose oxides can turn litmus solution blue are :

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  18. The elements whose oxides can turn litmus solution red are:

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  19. Zinc oxide is a metal oxide. Which of the following term best describe...

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  20. A metal less reactive and another metal more reactive than hydrogen ar...

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