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Answer the following in one or two sente...

Answer the following in one or two sentences
Which method do we use when we want to study many things together and at the same time?

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CHETANA PUBLICATION-Metallurgy-EXAMPLE
  1. Answer the following in one or two sentences Which measures would y...

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  2. Answer the following in one or two sentences What is done so to pre...

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

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

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

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  6. Distinguish between Calcination and roasting.

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  7. Distinguish between Atoms and ions

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  8. Distinguish between Cations anions

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

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

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

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

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

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

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

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

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

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  18. Give scientific reasons: Metals are good conductors of electricity ...

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  19. Give scientific reasons: Calcium floats on water during the reactio...

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  20. Give scientific reasons: Sodium is more reactive than aluminium

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