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

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Sana
 
 
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Imzo 
 
9 – Amaliy mashg`ulot. 
Mavzu: Kislotalarning metallar bilan o’zaro ta’siri. 
Ishdan maqsad: 
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Kerakli jihoz va reaktivlar____________________________________________________ 
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Ishning borishi:______________________________________________________________ 
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