7-sinf kimyo 1-bsb @summativ_formativ_baholash
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[image: ] umumtaâlim maktabining 2025-2026-oâquv yili kimyo fanini amaliy oâzlashtirish darajasini aniqlash 7-___sinf oâquvchisi __________________________________________________ oâquvchi toâplagan umumiy ball:_____ (maksimal ball: 20) aralashmalar tarkibidan sof moddani ajratish (ifloslangan osh tuzini tozalash) bsb-1 maqsad: ifloslangan osh tuzini (nacl) fizik usullar yordamida tozalash yoâllarini oârganish, filtrlash va bugâlatish usullaridan foydalangan holda sof modda olish. kerakli asbob va jihozlar: ifloslangan osh tuzi (tuproqli tuz aralashmasi), stakan, probirka, filtr qogâozi, spirt lampasi yoki isitgich, probirka tutqich, qoshiq, suyuqlikni bugâlatish uchun idish. xavfsizlik qoidalari: 1. amaliy mashgâulotni oâqituvchi koârsatganidðµk bajaring, koâ...
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