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Why do some metals occur in the native s...

Why do some metals occur in the native state?

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**Step-by-Step Solution:** 1. **Understanding Native State**: The term "native state" refers to the occurrence of metals in their pure, uncombined form in nature. This is in contrast to metals that are usually found in the form of ores, which are compounds of metals with other elements. 2. **Inertness of Certain Metals**: Some metals are classified as "noble metals" due to their very low reactivity. These metals do not easily react with other substances, including oxygen, moisture (water), and carbon dioxide. 3. **Examples of Noble Metals**: The most common metals that occur in the native state include Gold (Au), Silver (Ag), and Platinum (Pt). These metals have a high resistance to corrosion and oxidation, which contributes to their stability in nature. ...
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CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Short Answer Type
  1. Give the names of the four most abundant elements in the earth's crust...

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  2. What is a mineral? How does it differ from an ore?

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  3. Why do some metals occur in the native state?

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  4. Name the method used for refining of : (a). Zirconium. (b). Nickel...

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  5. Can iron be purified by amalgamation?

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  6. Both iron and aluminium combine slowly with oxygen at room temperature...

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  7. What is the name given to solid phase of earth?

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  8. Give one example where hydrometallurgy is used for metal extraction?

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  9. Name the method of metal refining which is generally used when a metal...

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  10. When is electrolytic reduction applied for getting a metal?

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  11. What name is given to carbon reduction process for extracting the meta...

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  12. An ore has impurities which are attracted by magnet suggest process fo...

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  13. In moist air, copper corrodes to produce a green layer on the surface....

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  14. The value ofDelta (f) G^(Ө) for formation of Cr(2) O(3) is – 540 kJmo...

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  15. What do you understand by roasting in presence of NaCl?

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  16. Why NF3 cannot be hydrolysed, while NCl3 can be readily hydrolysed?

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  17. Why NI5 does not exist While PCl5 exists?

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  18. Why the boiling point of ammonia is greater than phosphine?

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  19. Why NO is paramagnetic?

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  20. Nitrogen exists as diatomic molecule and phosphorus as P(4). Why?

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