Jizzax viloyati arnasoy tumani maktabining 7 – “ ” sinf o`quvchisi

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4 – Amaliy mashg`ulot. 
Mavzu: Kundalik hayotda,xo’jalikda sodir bo’layotgan kimyoviy jarayonlarni kuzatish va tavsivlash. 
Ishdan maqsad: 
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Kerakli asboblar va reaktivlar: 
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Ishning borishi:______________________________________________________________ 
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