attestatsiaya tushgan savollar(6-variant)
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@dars_ishlanma_yangi attestatsiaya tushgan savollar(6-variant) 01. neytronlar soni o'zaro teng bo‘lgan kislorod va geliy aralashmasining metanga nisbatan zichligni aniqlang. javobi: 0,44 02. kraxmal qaysi sinfga kiradi? javobi: gomopolisaxarid 03. nomalum karbon kislotadagi proton va neytronlarning elektronlar soniga nisbati 1,875 ga teng bolsa nomalum kislotani toping. javobi: ch3cooh 04. teng hajmda olingan butin va buten va yetarli miqdorda vodorod aralashmasi nikel katalizatori ishtirokida gidrogenlanishidan faqat alkan xosil bo’ldi dastlabki aralashmaning o’rtacha molar massasini toping. javobi: 23,2 05. kumush nitrat parchalanishidan hosil bo’lgan gazlar suvda eritilganda 12.6 gr kislota hosil bo’ldi, dastlabki kumush nitrat massasini xisoblang. javobi: 34 gr agno3 06. 30 gr kaliy di...
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