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Chemistry
Chemistry
Problem
On heating
FeCr
2
O
4
\text{FeCr}_2\text{O}_4
FeCr
2
O
4
with
Na
2
CO
3
\text{Na}_2\text{CO}_3
Na
2
CO
3
in presence of
KClO
3
\text{KClO}_3
KClO
3
, the total number of electrons lost by one Cr atom are :
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