Nimak
Rasayan vigyan (Chemistry) me nimak (salt) koi neutral chemical compound jon ki cations (positive ions) aur anions (negative ions) se banaa hae. Ek saadharan nimak, khaae waala nimak, sodium chloride hae jiske chemical formula NaCl hae. Iske hydrochloric acid ke sodium hydroxide me milaae ke banaawa jaae hae. ii reaction ke equation hae: HCl + Na(OH)2 --> NaCl + H2O
Jab nimak paani me tagal jaae hae, tab iske electrolyte bola jaae hae. Electricity electrolyte aur galaa nimak me se jaae sake hae.
Nimak, ice ke taglaae hae, kaaheki ii jon temperature pe liquid freeze hoe hae ke kamtii kare hae.[1]
Kaaheki dher germs nimak me nai rahe sake hae, iske khaana ke bachaae ke rakkhe (preserve) ke khaatir kaam me laawa jaae hae
Nimak ke paisa ke rakam bhi pahile kaam me laawa jaawat rahaa.
References
[badlo | source ke badlo]- ↑ "Salt Lowers Freezing Point of Water – David Bradley". www.sciencebase.com.