(a) Name two metals which are found in nature mainly in the free state (as metallic elements).
(b) Name two metals which are always found in combined state.
(c) What iron compound is present in haematite ore ? Also write its chemical formula.
Lakhmir Singh Chemistry Class 10
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a.platinum and gold.
b.potassium and sodium.
c.fe2o3
b.potassium and sodium.
c.fe2o3
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