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Answer the following in one or two sente...

Answer the following in one or two sentences
What is meant by corrosion?

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CHETANA PUBLICATION-Metallurgy-EXAMPLE
  1. Answer the following in one or two sentences What are the moderatel...

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

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

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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 in one or two sentences What is done so to pre...

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  6. Answer the following in one or two sentences Which method do we use...

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  7. Distinguish between Metals and non-metals.(based on physical propert...

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  8. Distinguish between Metals and nonmetals (based on chemical proeprt...

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  9. Distinguish between Calcination and roasting.

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  10. Distinguish between Atoms and ions

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  11. Distinguish between Cations anions

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  12. Give scientific reasons: Lemon or tamarind is used for cleaning copp...

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  13. Give scientific reasons: Sodium is always kept in kerosene

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  14. Give scientific reasons: Pine oil is used in Forth floation

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  15. Anodes need do be replaced from time to time during the electrolysis o...

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  16. Give scientific reasons: Gold and silver are used to make jewellery...

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  17. Give scientific reasons: Aluminium foils are used to wrap food item...

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  18. Give scientific reasons: Aluminium oxide is called an amphoteric ox...

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

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  20. Give scientific reasons: Hydrogen gas is not evolved when metals li...

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