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General Principles and processes of Isolation of Elements
medium
Read the following statements :
$(I)$ $Al$ has greater affinity than that of $Cr$ , for oxygen
$(II)$ $Al$ can be used for reduction of $Fe_2O_3$
$(III)$ Carbon is used for reduction of $PbO$
$(IV)$ $SnO_2$ can be reduced by carbon
Choose the correct set of statement $(s)$
A
$I, III$
B
$I, II$
C
$I, II, III$
D
All of these
Solution
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Standard 12
Chemistry
