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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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Gold and platinum are noble metals. They do not react with air or moisture. Hence, pure gold and platinum always glitter.
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TARGET PUBLICATION-METALLURGY-APPLY YOUR KNOWLEDGE
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  2. Test whether the metals gold, silver and copper react with water and t...

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  7. Apparatus: Metal spatula, burner, carbon electrodes, beaker, cell, lam...

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  10. Answer the following in one or two sentences What is meant by corro...

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  11. Have you seen the following things? Old iron bars of buildings, cop...

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

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

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

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

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

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

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  19. Seema wants to purchase a gold ornament. Gold ornaments are not made o...

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