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Answer the following in one or two sente...

Answer the following in one or two sentences
In which form do the moderately reactive metals occur in nature?

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The moderately reactive metals generally occur in the form of their sulphides or carbonates.
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TARGET PUBLICATION-METALLURGY-ANSWER THE FOLLOWING
  1. Complete the following statement using every given options. During t...

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  2. Answer the following in one or two sentences What are the moderatel...

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  3. Answer the following in one or two sentences In which form do the m...

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  4. Give scientific reasons: Carbonate and suphide ores are usualy conv...

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  5. Mention the steps carried out for the extraction of zinc from its carb...

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  6. Distinguish between Calcination and roasting.

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  7. Give any four examples of moderately reactive metals.

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  8. 3MnO2 + 4Al to 3Mn + 2Al2O3 + Heat Identify the substances undergo...

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  9. Explain thermit reaction and give its uses.

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  10. Explain the steps involved in the extraction of copper from its sulphi...

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  11. Draw a concept map to show the steps to extract metals of medium and l...

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  12. State the difference between highly reactive metals and less reactive ...

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  13. Give two examples of less reactive metals

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  14. What is refining of metals?

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  15. Why do new iron sheets appear shiny?

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  16. What is galvanization? What purpose is served by it?

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  17. Write a short note on: Tinning

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  18. Write a note based on the diagram given below.

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  19. Explain the term: Electroplating

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  20. In two methods of control of corrosion of aluminium, either a layer of...

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