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Xorazm viloyati shovot tumani maktabining 7 – “ ” sinf o`quvchisi
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| bet | 3/21 | | Sana | 25.01.2024 | | Hajmi | 2,47 Mb. | | #146064 |
Bog'liq 7-Sinf KIMYO NAZORAT ISHI daftar 20223 – 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.
Kerakli asboblar va reaktivlar: tozalanmagan osh tuzi 100 g distrlangan suv 100 ml, probirkalar, chinni kosacha, shisha tayoqcha, voronka, filtr qog`ozi, qaychi, quruq yonilg`i, temir shtativ.
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Xulosa: ______________________________________________________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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