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Why is pine oil used in froth floatation...

Why is pine oil used in froth floatation method?

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Choose the correct alternative : Pine oil is added in froth floatation method because it increases the non-wettability/ wettability of the mineral particles.

Which one of the following ore is best concentrated by froth floatation method?

Describe the principle involved in the following process of metallurgy : Froth floatation method

An ore sample of galena (PbS) is contaminated with zinc blende (ZnS). Name one chemical which can be used to concentrate galena selectively by froth floatation method.

What is the role of a stabilizer in froth floatation process ? Give examples.

Assertion : Sulphide ores are concentrated by Froth Flotation method. Reason : Cresols stabilise the froth in Froth Flotation method.

Which of the following is used as a depressant in froth floatation process ?

Explain the method of froth floatation process of concentrating sulphide ore.

What is froth floatation process ? Name the ores which are concentrated by froth floatation process . What is meant by a depressant ?

Sulphide ores are concentrated by froth floatation process.

MODERN PUBLICATION-MOCK TEST 01-EXERCISE
  1. Why is the reduction of a metal oxide easier if the metal formed is in...

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  2. Account for the following facts : The reduction of Cr2O3 with Al is th...

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

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  4. Explain the following : H3PO2 and H3PO3 act as good reducing agent whi...

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  5. All the five bonds in PCl5 are not equivalent justify.

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  6. Express 929 in roman numbers.

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  7. Explain- Cows, buffaloes, goats are reared for -

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  8. Express 928 in roman numbers.

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  9. For an elementary reaction : 2A + B rarr 3C the rate of appearance of ...

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  10. Aqueous copper sulphate solution (blue in colour) gives : (i) a green ...

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  11. Explain- Fish, pigs, Chicken are reared for-

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  12. Which will have a higher boiling point? 1-Chloro ethane or 2-methyl-2...

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  13. Explain- Sheep are reared for-

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  14. Complete the following statement- The three products provided by anima...

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  15. Draw the pyranose structure of alpha-D-glucose.

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  16. Complete the following statement- Three products provided by plants ar...

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  17. Complete the following statement- Examples of kharif crops are-

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  18. Give appropriate reason for the given statement- We should eat cooked ...

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  19. Give a brief information about the following term- Bronze.

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  20. What are thermosetting and thermoplastic polymers ? Give one example o...

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