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Bell metal Is an alloy of...

Bell metal Is an alloy of

A

Fe,Cr

B

Cu,NI

C

Cu,Sn

D

Cu,Zn

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BODY BOOKS PUBLICATION-General Principles and Processes of Isolation of Elements-Example
  1. Name the reducing agent In aluminothermlc (thermite) process.

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  2. Out of C and CO, which is a better reducing agent at 673K?

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  3. Bell metal Is an alloy of

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  4. In electrolytic refining method metal act as anode.

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  5. Out of C and CO, which is a better reducing agent for ZnO?

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  6. Cpper matte is incharged Into a silica lined converter in extraction o...

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  7. The process of reducing a metal oxide with coke or any other reducing ...

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  8. is a process In which ore is treated with suitable reagent which react...

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  9. iron contains more percentage of carbon and other impurities like S, P...

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  10. Name the refining methods used for the preparation of extra pure Zirco...

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  11. Choose the correctly matched pair

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  12. Observe the relationship between the first two terms and fill In the b...

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  13. is the purest form of Iron.

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  14. Observe the relationship between first two terms and fill in the blank...

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  15. Explain the following:Role of cryolite In metallurgy of aluminium.

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  16. State the role of silica in the metallugy of copper.

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  17. a. 'The ore mixed with coke and limestone is introduced into the blast...

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  18. Semiconductors having extra purity is widely used in the field of ele...

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  19. Semiconductors having extra purity is widely used in the field of ele...

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  20. While adding the raw materials into Blast furnace for the extraction o...

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