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Explain how dichromate is extracted from...

Explain how dichromate is extracted from its chromite are. Write the balanced chemical equation for the reaction between an acidified solution of `K_(2)Cr_(2)O_(7)` and `KI`.

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NCERT TELUGU-D-BlOCK ELEMENTS-SELF EVALUATION (ANSWER IN ONE OR TWO SENTENCES)
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  6. A substance is found to have a magnetic moment of 3.9 BM. How many unp...

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  8. Explain why Mn^(2+) is more stable than Mn^(3+)?

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  10. Write short notes on alumino thermic process?

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  11. Name the first and last element in the second transition series.

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  12. Name the lightest and the heaviest elements (in terms of density) amon...

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  14. What happens when KI solution is added to an aqueous solution of coppe...

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  15. What happens if the copper sulphate crystals taken into dry test tube ...

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  16. Discuss the extraction of copper from copper pyrites.

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  17. Name the ores of gold. Explain how it is extracted from its alluvial g...

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  18. List the ores of silver. How silver is extracted from Argentite?

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  19. Explain the extraction of Zinc form Zinc blende.

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  20. Explain how dichromate is extracted from its chromite are. Write the b...

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