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formula of copper sulphate...

formula of copper sulphate

A

Na

B

Fe

C

Hg

D

Ag

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Crystals copper sulphate are heated in a test tube for some time. What is the colour of copper sulphate crystals (i) before heating and (ii) after heating.

Which of the following metals will change blue colour of copper sulphate solution ?

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. In the electrolytic refining of zinc, ............

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  2. According to Ellingham diagram, the oxidation reaction of carbon to c...

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  3. formula of copper sulphate

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  4. From the Ellingham graphs on carbon, which of the following statements...

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  5. The function of potassium ethyl xanthate in froth floatation process i...

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  6. Magnetic separation is used in the concentration of: Copper pyrites, C...

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  7. When limestone is heated, CO2 is given off. The metallurgical operatio...

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  8. The statement that is not correct is

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  9. Match the metal in Column I with the ores in Column II

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  10. Match the extraction process in Column I with the metal in Column II.

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  11. Match the species given in Column I that are present in the ore(s) giv...

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  12. In the extraction of chlorine from brine .

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  13. When copper ore is mixed with silica, in a reverberatory furnace coppe...

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  14. Which of the following reactions is an example of auto reduction ?

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  15. A number of elements are available in earth’s crust but most abundant ...

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  16. Zone refining is based on the principle that .

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  17. In the extraction of copper from its sulphide ore, the metal is formed...

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  18. During the electrolysis of NaCl solution, the gas liberated at the ano...

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  19. An ore of aluminium is

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  20. Electrolytic refining is used to purify which of the following metals ...

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