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Three most occurring elements into the e...

Three most occurring elements into the earth crust are :

A

O, Si, Al

B

Si, O, Fe

C

Fe, Ca, Al

D

Si, O, N

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The correct Answer is:
A
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MOTION-METALLURGY-EXERCISE 2 (LEVEL - I)
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  5. A piece of steel is heated until redness and then plunged into cold wa...

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  6. Give the correct of initials T or F following statemetns. Use T if sta...

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  7. In the extraction of aluminium Process X: employed for red bauxite t...

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  8. Which of the following statement(s) is/are incorrect?

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  9. Si and Ge used for semiconductors are required to be of high purity an...

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  10. In electrorefining of metals anode and cathode are taken as thick slab...

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  11. Select the correct statement :

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  12. The metal for which, its property of formation of volatile complex is ...

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  13. Match List-I with List-II List-I(Property) I Explosive II Self-...

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  18. Modern method of steel manufacturing is :

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