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Answer the following questions: Why do...

Answer the following questions:
Why do pure gold and platinum always glitter?

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NAVNEET PUBLICATION-METALLURGY-EXERCISE
  1. Answer the following questions: Write three methods of preventing rus...

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  2. Explain the following: Why do silver articles turn balckish while c...

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  3. Answer the following questions: Why do pure gold and platinum always...

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  4. Answer the following in one or two sentences Which measures would y...

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  5. Answer the following questions: What is done so to prevent rusting of...

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  6. Explain the following: Can we permanently prevent the rusting of an...

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  7. Answer the following questions: Why do new iron sheets appear shiny?

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  8. Answer the following questions: What is meant by an alloy? Give two e...

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  9. Answer the following questions: Write short notes on the following: G...

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  10. Answer the following questions: Write short notes on the following: T...

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  11. Answer the following questions: Write short notes on the following: E...

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  12. Answer the following questions: Write short notes on the following: A...

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  13. Answer the following questions: Write short notes on the following: A...

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  14. Answer the following questions: In two methods of control of corrosio...

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  15. Answer the following questions: Complete the flow chart : steps invol...

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  16. Answer the following questions: What are the various alloys used in d...

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  17. What are the properties that the alloy used for minting coins should h...

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  18. Distinguish between: Metals and Nonmetals .

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  19. Give scientific reasons for the following: Sodium is always kept in k...

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  20. Give scientific reasons for the following: Sodium is always kept in k...

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