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What is the percentage of carbon in stee...

What is the percentage of carbon in steel?

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`0.1-1.5%`
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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)
  1. Ultra pure silicon is needed by electronic industry. By which method o...

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  2. Name the three main varieties of iron. Which out of them is the purest...

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  3. What is the percentage of carbon in steel?

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  4. A crude metal is heated with iodine to form metal tetraiodide which is...

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  5. What is the principle of chromatographic separation ?

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  6. Name the most important ore of aluminium.

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  7. When bauxite ore contains considerable amount of silica as an impurity...

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  8. Name two alloys of aluminium and give their composition.

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  9. What is the composition of ignition mixture used in aluminothermy?

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  10. Which process is used to convert pure alumina into aluminium.

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  11. Why cryolite is mixed with alumina during its electrolysis?

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  12. What is the purpose of adding a small amount of CaF2 to alumina during...

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  13. Why aluminium acts as a good reducing agent?

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  14. What is anodised aluminium ?

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  15. What is malachite ?

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  16. List the name and formulae of two important ores of copper.

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  17. What is blister copper?

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  18. Give the composition of brass and German silver

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  19. What are the constituents of anode mud formed during electrolytic refi...

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  20. Which metal is used to protect the iron sheets from rusting by a proce...

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