लवण
thumb|250px|namak (aangrezi:Salt) amloan v ksharakoan ki paraspar kriya se lavan banata haian. sadharan namak, jise sodiyam kloraid kahate haian, haidroklorik aml v sodiyam haidroksaid ki paraspar abhikriya se banata hai. isake atirikt, poteshiyam naitret, sodiyam salphet kuchh any lavan hai.
aml aur ksharak rasayanik kriya mean ek doosare ko 'santulit' karate haian aur aisa yaugik banate haian jo n hi aml hota hai aur n hi ksharak. is yaugik ko lavan kahate haian. aml aur ksharakoan ki visheshata samapt karane vali unake rasayanik milan ki is kriya ko udasinikaran kahate haian. udasinikaran ki kriya mean, aml mean upasthit dhanatmak haidrojan ayan (H+), ksharakoan mean upasthit rrinatmak haidroksaid ayan (H2O) banate haian. aml ka shesh bhag, ksharak ke shesh bhag se milakar lavan banata hai. udasinikaran abhikriya mean sadaiv keval lavan aur jal hi banata hai. karbonet bhi karbonik aml hote haian.
lavanoan ke prakar
lavanoan ki utpatti amloan aur ksharakoan ki udasinikaran ki kriya karane par hoti hai. atah banane vale lavan ki prakriti udasinikaran mean shamil amloan aur ksharakoan par nirbhar karati hai. isi adhar par lavanoan ko amliy, kshariy ya udasin ke roop mean vargikrit kiya jata hai.
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