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Give scientific reasons for the followin...

Give scientific reasons for the following:
Copper vessels turn greenish and silver articles turn blackish when kept open in air for a long time.

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NAVNEET PUBLICATION-METALLURGY-EXERCISE
  1. Give scientific reasons for the following: Anodes need to be replaced...

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  2. Give scientific reasons for the following: Silver amalgam is used for...

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  3. Give scientific reasons for the following: Copper vessels turn greeni...

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

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

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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 giving their balanced chemical equatio...

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

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

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

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

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

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

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

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