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Silver is purified by distillation proce...

Silver is purified by distillation process

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Which of the following metals is purified by distillation process ?

Silver is refined by cupellation process, the process removes the impurity of:

Assertion (A) Aniline is purified by steam distillation. Steam distillation is used for purification of substances which are insoluble in water but volatile in steam.

Some organic compounds are purified by distillation at low pressure because the compounds are :

Oxide ore are purified by levigation process.

Name two metals which are purified by distillation method.

Assertion (A) Impure glycerine is purified by vacuum distillation. Reason (R ) Glycerine is soluble in water.

Assertion : Glycerol is purified by distilled under reduced pressure. Reason : Glycerol is a trihydric alcohol.

ALLEN-METALLURGY-EXERCISE-03
  1. Metals can be recovered from their ores by chemical methods.

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  2. Sulphide ore of copper can be concentrated by froth floatation process...

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  3. Silver is purified by distillation process

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  4. Hightly pure metal can be obtained by zone refining

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  5. Zinc is precipitated from a solution of zinc sulphate by addition of i...

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  6. The slag obtained during the extraction of copper pyrites is composed ...

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  7. In calcination, ore is heated strongly in the absence of air

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  8. A number of elements are available in earth's crust but most abundant ...

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  9. Cassiterite is an ore of

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  10. In the metallurgical process for the electro-refining of the metal, th...

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  11. In the thermite process, is used as a reducting agent.

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  12. The mineral carnallite contains magnesiuma and...........metal

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  13. The actual reducing agent of haematite in blast furnace is ..........

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  14. In the basic Bessemer process for the manufacture of steel, the lining...

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  15. The transition metal present in the alooy gun metal is .

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  16. The slag obtained during the extraction of copper from coper pyrites i...

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  17. Iron is copper in the electrochemical series and hence displaces fro...

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  18. {:(Column-I(Ore),Column-II("Created formula & properties")),((A)"Iron ...

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  19. {:(Column-I("Metal"),column-II),((A)"Magnesite",(p)"Ore of magnesium")...

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  20. {:(Column-I(Ore),Column-II),((A)"Iron",(p)"Carbon reduction method"),(...

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