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Explain the following: Why do pure go...

Explain the following:
Why do pure gold and platinum always giltter?

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CHETANA PUBLICATION-Metallurgy-EXAMPLE
  1. Explain the following: What are the properties of metals and Non-me...

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

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  3. Explain the following: Why do pure gold and platinum always giltter...

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

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  5. Explain the following: Divide the metalsCu,Zn,Ca,Mg,Fe,Na,Li into t...

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  6. In the reaction between chlorine and HBr transformation of HBr into Br...

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  7. Explain the following: An ore on treatment with dilute hydrochloric...

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  8. Explain the following: A metal 'X' acquires a green colour coating ...

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  9. Explain the following: A metal 'X' acquires a green colour coating on ...

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  10. Explain the following: Name and write chemical formula of the green...

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  11. Explain the following: List two important methods to prevent the pr...

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  12. Explain the following: How is the mehotd of extraction of metlas hi...

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  13. What are the various alloys used in daily life? Where are those used?

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  14. Explain the following: What are the properties that the alloy used ...

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  15. Complete the following statement using every given options. During t...

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  16. Complete the following statement using every given options. Use of ...

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  17. Complete the following statement using every given options. Chemica...

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  18. Complete the following statement using every given options. Heating ...

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  19. Study the diagram and answer the question: What can you say about t...

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  20. Study the diagram and answer the question: Write the reactions occu...

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