9-sinf kimyo 1-chsb 4-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). quyidagi qatorda ionlarning radiusi qanday o‘zgaradi? 𝑃𝑃3− , 𝑆𝑆2−,𝐶𝐶𝑙𝑙−,𝑁𝑁𝑎𝑎+,𝑀𝑀𝑔𝑔2+,𝐴𝐴𝑙𝑙3+, 𝑆𝑆+4 a. ortadi b. kamayadi c. 𝐶𝐶𝑙𝑙− gacha kamayadi, undan keyin ortadi d. na+ gacha kamayadi, undan keyin ortadi 2(b). kimyoviy bog‘lanish turi va unga mos ravishda birikmalarni muvofiqlashtiring. i metall bog‘lanish a) baf2 ii kovalent bog‘lanish b) n2o5 iii ion bog‘lanish c) o3 d) li a. i-c, ii-a, iii- b b. i-d, ii-b, iii- d c. i-d, ii-b, iii- a d. i-b, ii-a, iii- b 3(b). noelektrolit berilgan qatorni aniqlang. a. hno3 b. s2n5oh c. koh d. nacl 4(q). h2so4 dissotsiyatsiyalanganda hosil bo‘lgan ionlar sonini aniqlang. a 2 b. 3 c. 4 d. 5 5 …

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