1.

Consider the following reduction processes : (I) Fe_2O_3 + Crarr Fe (II) Al_2O_3 + Crarr Al (III) Pbo + C rarr Pb (IV) Ca_3(PO_4)_2 + C + SiO_2 rarr P The correct processe(s) is/ are

Answer»

(I) and (III)
(I), (III) and (IV)
(II) and (III)
(I) and (IV)

ANSWER :B


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