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Jizzax viloyati arnasoy tumani maktabining 7 – “ ” sinf o`quvchisiBog'liq 7-Sinf KIMYO NAZORAT ISHI daftar 2022Kerakli 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.
Ishning borishi: ____________________________________________________________________________
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