7-sinf nazoratrr pdf
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bobojonov navro’zbek +998933402548 7-sinf nazorat test 1.kimyo fani qanday fan? a) moddalar, moddalarning agregat holati va ulaming birbiriga aylanishi to'g'risidagi fan; b) moddalar, moddalarning fizik xossalari va ulaming birbiriga aylanishi to„g„risidagi fan; c) moddalar, moddalarning xossalari va ulaming bir-biriga aylanishi to’g’risidagi fan. d) atomlar, ularning boshqa elementlarga aylanishini o’rganadigan fan. 3. abu ali ibn sino dorivor moddalarni ma‘lum tartibda bo’lishini ta‘riflash orqali qaysi qonunga asos soldi? a) massaning saqlanish qonuniga; b) tarkibning doimiylik qonuniga; c) energiyaning saqlanish qonuniga. d) davriy qonunga 4. abu ali ibn sino dorivor moddalar sodda va murakkab dorilarga toifalash orqali nimaga asos soldi? a) atom — molekular ta‘limotning dastlabki tush...
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