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  • Give one point difference between the following: (a) Cast Iron and Pig Iron (b) Hydraluic washing and Liquation (c) Leaching and Roasting      

Give one point difference between the following:

(a) Cast Iron and Pig Iron

(b) Hydraluic washing and Liquation

(c) Leaching and Roasting

 

 

 

 
 
 
 
 

Answers (1)

(a) Cast Iron and Pig Iron:

Cast iron has smaller amount of carbon (3%) and Pig iron has larger amount of carbon (4%).

(b) Hydraluic washing and Liquation

In hydraluic washing steam is used to remove impurities and in liquation metal is melted to remove impurities.

(c) Leaching and Roasting:

In leaching metal ore is converted into soluble salts and in roasting metal ore is converted into oxides of metal.

Posted by

Sumit Saini

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