हिमांक
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(aangrezi:Freezing Point) rasayan vijnan mean kisi vishesh dab par vah niyat tap jis par koee drav jamata hai, himaank kahalata hai. samanyatah padarth ka dravanaank evan himaank ka man barabar hota hai. jaise -barf ka dravanaank evan himaank 0॰C hai. ashuddhiyoan ki upasthiti mean padarth ka himaank aur dravanaank donoan kam ho jate haian.
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