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An ore on heating in air from sulphur di...

An ore on heating in air from sulphur dioxide. Name the process than can be used for concentration of this ore. Explain the principle of this process.

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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
  1. Write a short notes on: Thermite process.

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  2. Write a short notes on: Froth floatation process.

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  3. An ore on heating in air from sulphur dioxide. Name the process than c...

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  4. Distinguish between: alloy and amalgam

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  5. What is difference between minerals and ores?

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  6. Distinguish between roasting and calcination. Which of these two is us...

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  7. An alloy of yellw colour is made of two metals a and b.when alloy a w...

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  8. Give six characterstic differences between metals and non-metals.

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  9. Discuss the different methods of preparation and properties of dioxyge...

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  10. What is corrosion of metals? Name one metal which does not corrode and...

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  11. How will you show that rusting of iron metals takes place in oxygen an...

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  12. What is meant by a reactivity series of metals? Arrange the following ...

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  13. what happen when a piece of zinc is added to copper sulphate solution?

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  14. What would you observe when you put Some copper pieces into green ferr...

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  15. Name a metals which combines with hydrogen gas. Name the compounds for...

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  16. Which of the following property is generally not shown by metals?

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  17. The ability of metals to be drawn into thin wire is known as

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  18. Aluminium is used for making cooking utensils. Which of the following ...

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  19. Which of the following donot react with cold as well as hot water: Fe,...

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  20. Which of the following oxide of iron would be obtained on prolonged re...

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