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Jizzax viloyati arnasoy tumani maktabining 7 – “ ” sinf o`quvchisiBog'liq 7-Sinf KIMYO NAZORAT ISHI daftar 2022_________________________________________________________________________________________________
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Xulosa: :
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Sana
Ball
Imzo
3 – Amaliy mashg`ulot.
Mavzu: Ifloslangan osh tuzini tozalash.
Ishdan maqsad: Suvda eruvchan qattiq moddani suvda erimaydigan
qo`shimchalardan tozalash usulidan biri bilan tanishish. Filtr qog`oz tayyorlash suyuqliklarni
filtrlash va eritmani bug`latish yo`li bilab tuz ajiratib olishga oid malaka xosil qilish.
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