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Fill in the blank and rewrite the whole statement.
Two metals which occur in native state …………..

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Fill in the blank and rewrite the whole statement. A metal, which can be obtained as powder …………

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Why do some metals occur in the native state ?

SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
  1. Name three important ores of iron .

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  2. Between CO and C , which is better reducing agent at 983 k

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  3. Fill in the blank and rewrite the whole statement. Two metals which ...

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  4. Fill in the blank and rewrite the whole statement. A non-metal which...

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  5. Fill in the blanks : During electro refining of copper ……….. And …………....

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  6. Fill in the blanks : …………. Is used as reducing agent during smelting.

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  7. Fill in the blanks : Froth floatation process is the suitable method o...

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  8. Fill in the blanks : A homogeneous mixture of a metal with mercury is ...

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  9. Fill in the blanks : Flux combines with infusible impurities to form …...

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  10. Fill in the blanks : …………… acts as acidic flux while ………. Acts as a ba...

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  11. Minerals, from which metal can be extracted economically, are called …...

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  12. Fill in the blanks : The most abundant metal in the earth's crust is …...

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  13. Fill in the blanks : For reduction of metal oxide to metal Delta G mus...

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  14. Fill in the blanks : Cinnabar and Galena are the ores of ………… and …………...

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  15. Fill in the blanks : Copper matte contains ………… and ……………..

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  16. Fill in the blanks : Blister copper contains ………….. % of Cu

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  17. Fill in the blanks : Conversion of carbonate ore to metal oxides are d...

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  18. Fill in the blanks : In the metallurgical processes for the electro re...

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  19. Fill in the blanks : Impurities in the minerals are usually removed by...

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  20. Fill in the blanks : ………….. And ……………. Process can remove volatile imp...

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