All the following process produces hematite except A roasting of siderite
B oxidation of iron
C oxidation of magnetite
D drying of limonite
E no correct answer

D)driying of limonite these is the answer

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.