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Which occurs in nature in free state

$(a)\;Fe\qquad(b)\;Ni\qquad(c)\;Co\qquad(d)\;Pt$

1 Answer

Platinum is the metal which can be found in free state, because It is not reactive in normal conditions with air, water and other chemicals
Because Pt is a noble metal.
Hence (d) is the correct answer.
answered Jan 30, 2014 by sreemathi.v
edited Nov 18 by sharmaaparna1
 
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