Osmium: ke revisions ke biich ke antar
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Rekha 33:
Osmium ek [[metal]], lekin ii kamti react kare aur ii kaaran se iske "[[noble metal]]" bola jaawe hae.
Iske 1804 me [[Smithson Tennant]] London, England me paais rahaa. Osmium ke [[Iridium]] aur [[Platinum]] ke saathe paawa jjawe hae.
[[Category:Chemical elements]]
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