1.

Read the given passage carefully and fill in the blanks by selecting an appropriate option. Oxides of i. are reduced to their respective metals by heating with coke and the process is called ii . Before carrying out reduction with carbon, if the calcined or roasted ore still contains infusible impurities of earthy matter, iii , an additional substance, iv is added which combines with iii to form a fusibJe material, called v.

Answer»

The Correct option is: B 



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