kimyoviy nazariya test savollari
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a.yu.fersman qaysi elementni "hayot va tafakkur elementi " deb nomlagan? ============ #a)fosfor ============ b)kalsiy =========== c)kislorod ======== d)azot +++++ kompleks birikmalarning tuzilishi haqida yangi nazariya nechanchi yilda yaratilgan? ============== #a)1893 =============== b) 1885 ============= c) 1864 ============== d) 1797 ============= kompleks birikmalarning yangi nazaryasi kim tomonidan yaratilgan? ============ a)lomonosov ============ #b) a. verner ============ b)s arrenius =========== c)j. dalton +++++ 3)vermer nazaryasi qanday nazarya deb ataladi? =========== a)akvakomplekslar =================== b)karbonil ================= c) koordinatsion =============== #c)b va c tog'ri +++++ moddalarni oksidlovchilik xossalarining ortib borishi tartibida joylashtiring. 1)k2mno4; 2)...
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