Thil thar sernak, a ttha tukmi le zumhawktlak sinak cu kan chawlehnak ah a hrampi man a ngeimi an si. Hi phunglam hna nih hin nihin ah a hlan nakin vawleicung pumpi ah a cawlcangmi a tlawm deuhmi company pakhat dirhmun in kan hlawhtlinnak hrampi a ser.
Thil thar sernak, a ttha tukmi le zumhawktlak sinak cu kan chawlehnak ah a hrampi man a ngeimi an si. Hi phunglam hna nih hin nihin ah a hlan nakin ramkip ah a cawlcangmi a nganmi company pakhat dirhmun in kan hlawhtlinnak hrampi a ser. Kan thilri pawl cu a tthatnak sang, zuamnak man le a ttha bikmi style ruangah kan cawtu hna nih an cohlan. Chawlettu vialte he chawlehnak pehtlaihnak ser i nunnak caah rong dawh deuh chuahpi kan i ruahchan.













Sodium Sulfide thlopnak le thlennak:
B 200 mL kha 500 mL volumetric flask chungah pipet tuah. Sodium carbonate cawhnuk 40 mL, zinc sulfate cawhnuk 80 mL le ethanol 25 mL kha a hnu hnu in cawh. Ti in hmelchunhnak tiang cawh law ttha tein cawh.
Cawhmi kha thlet, a hmasa bik 10 mL thletmi kha hlonh, cun thletmi 100 mL kha 500 mL conical flask chungah thlet. Sodium Sulfide.