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True of False : Silver is extracted by ...

True of False : Silver is extracted by by hydrometallurgy.

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Assertion : Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Reason : Copper is extracted by hydrometallurgy.

What is meant by hydrometallurgy ?

What is Hydrometallurgy ?

True of False : The metals Ag, Au and Hg are extracted by pyrometallurgy .

True or False Muscle cells are branched .

Copper can be extracted by hydrometallurgy but not zinc. Explain.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. True of False : Flux combines with slag to form gangue.

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  2. True of False : In calcination, the ore is heated with calcium.

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  3. True of False : Silver is extracted by by hydrometallurgy.

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  4. Zone refining is used for the

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  5. True of False : The metals Ag, Au and Hg are extracted by pyrometallur...

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  6. Chromium steel is the mixture of-

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  7. Which of the following reagents can be used to convert acetamide into ...

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  8. Complete the missing links : The earthly and silicious impurities whic...

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  9. The most abundant element in the earth's crust is:

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  10. Purest form of iron is

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  11. State whether the statement is true or false- Lunar caustic is the com...

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  12. Zirconium is best refined by ......... method.

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  13. In blast furnace, iron oxide is reduced by

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  14. Nichrome metal alloy is a mixture of-

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  15. The naturally occurring chemical substances in the form of which metal...

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  16. Copper can be extracted from

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  17. Fill in the blanks- alloy is made up of 14% of manganese and 85% of ir...

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  18. Sulphide ores are concentrated by froth floatation process.

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  19. Copper can be extracted from

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  20. Choose the correct alternative : Pine oil is added in froth floatation...

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