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Write the greatness of Gold metal....

Write the greatness of Gold metal.

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Gold is one of the most valuable of elements that has been prized since antiquity for its beauty and resistance to corrosion.
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. Name some oxides of metals and non-metals ?

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  2. How do you appreciate the process Galvanizing?

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  3. Write the greatness of Gold metal.

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  4. Which metal is used in the manufacture of Diwali crackers?

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  5. What do you mean by corrosion? How can you prevent it ?

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  6. How can we prevent rusting of Iron?

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  7. How can you prevent the spoiling of food?

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  8. What do you observe in a pack of chips ?

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  9. Which one is better to use for storage of water, an iron container or ...

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  10. A light yellow coloured compound 'X' is exposed to sunlight for someti...

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  11. N(2(g))+O(2(g))+"Heat"rarr 2NO((g)) What information do you get from...

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  12. Write the products of given reactions, if any. Give reason. FeCl(2)+...

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  13. i) CaCO(3(s))rarr CaO((s)) +CO(2(g)) ii) 2AgBr((s))rarr 2Ag((s))+Br(...

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  14. Balance the following chemical equation. i) Na+H(2)Orarr NaOH +H(2)

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  15. Balance the following chemical equation. ii) K(2)CO(3)+HCl+KCl+H(2)O...

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  16. Give some examples for corroded and non corroded metals and give the r...

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  17. Some metals reacts oxygen to form their oxides. It is serious problem....

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  18. Iron is a corroded metal. Through alloying we can prevent corrosion. J...

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  19. ''Through alloying corrosion can be prevented''. For the justification...

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  20. Write the properties of a chemical change.

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