7-sinf kimyo 6-bsb @summativ_formativ_baholash
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7-sinf oʻquvchisi __________________________________________________ f.i.sh. oʻquvchi toʻplagan umumiy ball _____ (maksimal ball 50) iv chorak bsb-6 1. lakmus indikatori turli muhitlarda qanday ranglarni namoyon qilishini yozing: lakmus kislotali eritmalarda: ____________________ lakmus asoslar eritmalarida: ____________________ lakmus toza suvda (neytral muhit): ____________________ 2. insoniyatning ekologik izini kamaytirish uchun qanday amallar va usullardan foydalanish mumkin? (kamida 4 ta amal yoki usul yozing) 1._______________________________________________________________________ ________________________________________________________________________ 2._______________________________________________________________________ _________________________________________________________...
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