kimyo
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About "kimyo"
asdf kimyo “metallar” mavzusi bo‘yicha tajribaviy masalalar yechish i9 presentation to joe smith ‹#› kerakli jihozlar: probirkalar spirt lampasi yoki probirka qizdirgich tomizgichlar i9 presentation to joe smith ‹#› kerakli moddalar tuzlar - nacl, na2co3, nano3, kcl, k2co3, caco3, cacl2, cahco3, agno3 ishqorlar eritmasi- naoh koh ca(oh)2 kislota – hcl gaz-co2 suv-h2o fenolftalein metil zarg‘aldog‘i lakmus indekatorlar i9 presentation to joe smith ‹#› xavfsizlik texnikasi ajralib chiqayotgan gazni idishning ustiga engashib hidlash mumkin emas. gaz yoki suyuqlikning hidini bilish uchun idish tomonidan ehtiyotlik bilan kaftning yengil xarakati yordamida havo oqimini burunga yuborish kerak. i9 presentation to joe smith ‹#› xavfsizlik texnikasi yuzga yoki kiyimlarga modda sachramasligi uchun re...
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