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General Principles and processes of Isolation of Elements
medium
$(I)$ $Na_2Cr_2O_7+X \xrightarrow{\Delta } Cr_2O_3$
$(II)$ $Cr_2O_3+Y \xrightarrow{\Delta } Cr$
$(X)$ and $(Y)$ are :
A
$C$ and $Al$
B
$Al$ and $C$
C
$C$ in both
D
$Al$ in both
Solution
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Standard 12
Chemistry