Difference between revisions of "रवाकरण"
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शिल्पी गोयल (talk | contribs) ('(अंग्रेज़ी:Crystallisation) रसायन विज्ञान म...' के साथ नया पन्ना बनाया) |
गोविन्द राम (talk | contribs) |
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__INDEX__ | __INDEX__ | ||
Revision as of 10:50, 7 September 2010
(aangrezi:Crystallisation) rasayan vijnan mean ravakaran vidhi ke dvara akarbanik thos mishran ko alag kiya jata hai. is vidhi mean ashuddh thos mishran ko uchit vilayak ke sath milakar garm kiya jata hai tatha garm avastha mean hi kip dvara chhan liya jata hai. chhanane ke bad vilayan ko kam tap par dhire-dhire thanda kiya jata hai. thanda hone par shuddh padarth rave (kristal) ke roop mean viliyan se prithak ho jata hai. jaise- sharkara aur namak ke mishran ko ithail alkohal mean 348 kelvin (K) tap par garm kar is vidhi dvara alag kiya jata hai.
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