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Brass contains which metals?...

Brass contains which metals?

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The correct Answer is:
Copper and zinc
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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
  1. Between zinc and copper which metal will react dilute sulphuric acid ?

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  2. Name the process by which sulphide ore is concentrated ?

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  3. Brass contains which metals?

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  4. The highest oxidation state of transition metal is what ?

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  5. The highest oxidation state of transition metal is what ?

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  6. An ore of galena (PbS) is contaminated with Zinc blende (ZnS). Name on...

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  7. Name two ores of zinc

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  8. what is the name of purest form of iron

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  9. Name the purification process to get 100 % pure aluminium metal.

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  10. What is the role of stabilizer in froth floatation process ?

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  11. Although carbon and hydrogen are better reducing agents but they are n...

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  12. A mixture of compounds A and B is passed through a column of Al(2)O(3)...

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  13. Why is zinc and not copper used for the recovery of metallic silver fr...

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  14. Why is partial roasting of sulphide ore done in metallurgy of copper ?

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  15. What happens when potassium iodide is added to CuSO4 solution ?

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  16. Cast iron is harder than pure iron . Why ?

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  17. Calculate the oxidation number of chromium in K2Cr2O7.

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  18. Explain why CuSO4 is blue while ZnSO4 is white.

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  19. What is flux? Give an example.

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  20. What is calcination?

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