हिमकारी मिश्रण
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(aangrezi:Freezing Mixture) rasayan vijnan mean kisi thos ko usake dravanaank par galane ke lie ooshma ki avashyakata hogi jo usaki gupt ooshma hogi. yah ooshma asadharanatah bahar se milati hai, jaise jal mean barf ka tuk da milane par barf galegi, parantu galane ke lie dravanaank par vah jal se ooshma legi jisase jal ka tapaman ghatane lagega aur mishran ka tap ghat jayega. himakari mishran ka banana isi siddhaant par adharit hai. udaharan ke lie ghar par aisakrim jamane ke lie namak ka ek bhag evan barf ka tin milaya jata hai, isase mishran ka tap -22॰C prapt hota hai.
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