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-tajriba. Aktiv metallarning passiv metallarni ular tuzi eritmasidan siqib chiqarishi



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4-tajriba. Aktiv metallarning passiv metallarni ular tuzi eritmasidan siqib chiqarishi.

Stakanga mis sulfatning 40 % li eritmasidan 25ml quying. Unga temir plastinkani tozalab, so’ngra bir necha minutga solib qo’ying. Reaksiya vaqtida plastinka sirtiga qizg’ish-sariq rangli mis metali ajralib chiqishini kuzating. Reaksiya tenglamasini yozing.

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