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Match items of Column I with the items o...

Match items of Column I with the items of Column II and assign the correct code:

A

A (2) B (3) C (4) D (1)

B

A(1) B (2) C (3) D (5)

C

A(5) B (4) C (3) D (2)

D

A(4)B (5) C (3) D (2)

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Match items of Column I with the items of Column II and assign the cor...

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  2. Match items of Column I with the items of Column II and assign the cor...

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  3. Match items of Column I with the items of Column II and assign the cor...

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  4. In the following questions a statement of assertion followed by a stat...

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  5. Assertion : Zirconium can be purified by Van Arkel method. Reason : ...

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  6. Assertion : Sulphide ores are concentrated by Froth Flotation method. ...

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  7. Assertion : Zone refining method is very useful for producing semicond...

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  8. Assertion : Hydrometallurgy involves dissolving the ore in a suitable ...

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  9. Why is pine oil used in froth floatation method?

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  10. Which is better reducing agent at temperature 983 K, C or Co?

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  11. Define fauna.

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  12. How does adsorption of gases on solids depend upon: Temperature?

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  13. The cause of Brownian movement is

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  14. What is Tyndall effect? Why do colloidal solutions show Tyndall effect...

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  15. What are enzyme catalysts? Give two examples of enzyme catalysis react...

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  16. Compare lyophilic and lyophobic sols in term of Stability .

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  17. What are lyophilic and lyophobic sols ? Give one example of each. Why ...

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  18. Define calcination and roasting.

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  19. State the role of silica in the metallurgy of copper.

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  20. Describe the role of the following in the processes mentioned: Iodine ...

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