Civil Services UPSC EPFO (EO/AO) Mock Test 2023 General Science Chemistry Basic Concepts of Chemistry
Manganese is extracted from Manganese dioxide by reaction with Aluminium as described by the following unbalanced chemical equation:
\(MnO_2(s) + Al (s) \rightarrow Mn (l) + Al_2O_3 (s)\)
The number of moles of Al (s) required to form one mole of Mn from its oxide is
1
1
2
0.75
3
1.33
4
2