9-sinf kimyo 1-chsb 2-variant@summativ_formativ_baholash

9-sinf____-sinf o‘quvchisi _________________________________________ f.i.sh. o‘quvchi to‘plagan umumiy ball:_____ (maksimal ball: 40) i chorak 1-chsb 1(b). atomlarning qanday xususiyatlari davriy tartibda o‘zgaradi? a. atomning yadro zaryadi b. atomdagi energitik pog‘onalar soni c. nisbiy atom massa d. atom yadrosidagi protonlar soni 2(b). kimyoviy bog‘lanish turi va unga mos ravishda birikmalarni muvofiqlashtiring. i metall bog‘lanish a) mg ii kovalent bog‘lanish b) nacl iii ion bog‘lanish c) baso4 d) n2 a. i-c, ii-d, iii- c b. i-a, ii-d, iii- c c. i-d, ii-b, iii- a d. i-a, ii-c, iii- b 3(b). elektrolit berilgan qatorni aniqlang. a. caco3 b. s6n12o6 c. naoh d. hgo 4(q) ca(oh)2 ni dissotsiyatsiyalanganda hosil bo‘lgan ionlarini aniqlang. a. ca2+ +oh- b. 2ca2+ +2oh- c. 2ca2+ +oh- d. ca2+ +2...

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