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Give Scientific reason: Ornaments are ...

Give Scientific reason:
Ornaments are generally not made from 24-carat gold

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State whether the following statement are True or False: Ornaments are made from 24 carat gold.

Give Scientific reason: Gold and platinum are called noble elements

NAVNEET PUBLICATION-METALS AND NON-METALS-QUESTION BANK
  1. Give Scientific reason: Copper and brass vessel are cleaned with lem...

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  2. Give Scientific reason: Sodium metal is kept in kerosene

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  3. Give Scientific reason: Ornaments are generally not made from 24-car...

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  4. Give Scientific reason: Ships are painted of frequent intervals

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  5. Give Scientific reason: Gold and platinum are called noble elements

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  6. Explain the following reactions with the help of balanced equations: ...

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  7. Explain the following reactions with the help of balanced equations: ...

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  8. Explain the following reactions with the help of balanced equations: ...

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  9. Explain the following reactions with the help of balanced equations: ...

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  10. Explain the following reactions with the help of balanced equations: ...

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  11. Explain the following reactions with the help of balanced equations: ...

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  12. Explain the following reactions with the help of balanced equations: ...

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  13. Explain the following reactions with the help of balanced equations: ...

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  14. Explain the following reactions with the help of balanced equations: ...

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  15. Write short note on: The noble means

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  16. Write short note on: The purity of gold

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  17. Write short note on: Corrosion

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  18. Write short note on: Alloys

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  19. Distinguish between the following: Metals and Non-Metals

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  20. Three experiments to study the process of rusting are given below. Obs...

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