adti-2

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1 andijon davlat tibbiyot instituti qoshidagi akademik litsey kimyo fani o’qituvchisi hoshimov husanboy saydaliyevichning o’liy o’quv yurtlariga kiruvchilar uchun kimyo fanidan http://ru.wikipedia.org/wiki/%d0%a4%d0%b0%d0%b9%d0%bb:fullerene_c60.jpg adti qoshidagi akademik litsey hoshimov husanboy 2 1. elementni toping – 1. 1. (eoh)3(po4)2 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p6 bo`lsa, bu qaysi element? a) ca b) mg c) fe d) al 2. (nh4)2 heo4 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p6 bo`lsa, bu qaysi elementga to`g`ri keladi? a) se b) p c) s d) cl 3. (eoh)3po4 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p6 bo`lsa, bu element qaysi? a) na b) mg c) al d) ca 4. (eoh)3po4 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p63s23p6 bo`lsa, bu element qaysi? a) na b) mg c) al d) ca 5. naeo3 tarkibli moddada, e ning konfiguratsiyasi 1s2 bo`lsa, bu element qaysi? a) be b) n c) c d) p 6. ehco3 tarkibli moddada, e ning konfiguratsiyasi 1s2 bo`lsa, bu element qaysi? a) …

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fe 7. qaysi elementning kislarodli birikmasidagi massa ulushi 36 %. a) be b) c c) si d) mg 8. qaysi element oksidlanganda massasi 3,667 marta ortadi. a) be b) c c) si d) n2 9. qaysi element oksidlanganda massasi 66,66 % ga ortadi. a) mg b) ca c) n2 d) si 10. qaysi element oksidlanganda massasi 40 % ga ortadi. a) ca b) mg c) c d) be adti qoshidagi akademik litsey hoshimov husanboy 3 3. ekvivalentga oid. 1. oksidda metallning ekvivalenti kislorod ekvivalentidan 3 marta katta bo`lsa, oksidning massasi metall massasidan necha marta katta. a) 2,67 b) 1,33 c) 3 d) 1,5 2. metall oksidda metall ekvivalenti kislorod ekvivalentidan 1,5 marta katta bo`lsa, oksidning massasi kislorod massasidan necha marta katta. a) 5 b) 2,5 c) 3 d) 1,33 3. metall sulfatida kislota qoldig`ining 66,67 % ini metall tashkil etsa. metallning necha molida 12 gr modda bo`ladi. a) 0,5 b) …

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ibidagi metall atomlar sonini toping. a) 3,02 · 1022 b) 12,04 · 1022 c) 18,06 · 1023 d) 12,04 · 1023 4. atomlar soni nisbatiga oid. 1. xlor (v) oksidi va marganes (vii) oksididagi atomlar soni 2,33 : 1 kabi nisbatda bo`lsa, oksidlarning mol nisbatini toping. a) 3 : 1 b) 1 : 3 c) 2 : 3 d) 4 : 1 2. xrom (iii) oksidi va xlor (vii) oksididagi atomlar soni 1 : 1,2 kabi nisbatda bo`lsa oksidlarning mol nisbatini toping. a) 2 : 4 b) 3 : 2 c) 1,2 : 1 d) 2 : 3 3. azot (v) oksidi va marganes (iii) oksididagi atomlar soni 4,2 : 1 kabi nisbatda bo`lsa, oksidlaning mol nisbatini toping. a) 1 : 3 b) 3 : 2 c) 3 : 1 d) 2 : 3 4. xlor (iii) oksidi va marganes (iv) oksididagi atomlar soni 1 : 1,2 kabi nisbatda bo`lsa, …

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2. gipsdagi atomlar soni 0,336 litr vodoroddagi molekulalar soniga teng bo`lsa, gipsning massasini (g) toping. a) 0,43 b) 0,215 c) 0,17 d) 0,258 3. albasterdagi atomlar soni 9 gr glukozadagi molekulalar soniga teng bo`lsa, alebaster massasini (g) toping. a) 0,976 b) 0,796 c) 0,967 d) 0,697 4. kainitdagi atomlar soni 3,68 gr “tulki dumi”dagi molekulalar soniga teng bo`lsa, kainitning massasini (g) toping. a) 2,71 b) 1,72 c) 2,17 d) 1,17 5. lyapsdagi atomlar soni 2,64 gr “kulduruvchi gaz”dagi molekulalar soniga teng bo`lsa, lyaps massasini (g) toping. a) 2,04 b) 4,02 c) 4,2 d) 2,4 6. silvinitdagi atomlar soni 3,15 gr gipoxlorit kislotadagi molekulalar soniga teng bo`lsa, silvinit massasini (g) toping. a) 1,595 b) 1,995 c) 1,959 d) 1,559 7. “kuporos moyi”dagi atomlar soni 2,88 gr karbinoldagi molekulalar soniga teng bo`lsa, “kuporos moyi”ni massasini (g) toping. a) 2,61 b) 2,16 c) 1,26 d) 1,62 8. soda kristallaridagi atomlar soni 6,58 gr …

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) 142 b) 138 c) 168 d) 186 4. 244 94pu → a + 144 2α + x3 1t + 6e + 21 0n. pu ning elektronlar soni a tarkibidagi neytronlar soniga teng bo`lsa, a ning p, e, n lari yig`indisini toping. a) 207 b) 216 c) 210 d) 218 5. 259 102no → a + x4 2α + 103 1t + 6-β + 10n. no ning elektronlar soni a tarkibidagi neytronlar soniga teng bo`lsa, a ning p, e, n lar soni yig`indisini toping. a) 242 b) 224 c) 232 d) 223 6. 236 93np → a + 15 α4 2 + xt3 1 + 4e. np ning elektronlar soni a tarkibidagi neytronlar soniga teng bo`lsa, a ning p va e lar yig`indisini toping. a) 181 b) 118 c) 124 d) 142 7. 236 93np → a + x4 2α + 83 1t + 4e. np ning protonlar soni a …

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1 andijon davlat tibbiyot instituti qoshidagi akademik litsey kimyo fani o’qituvchisi hoshimov husanboy saydaliyevichning o’liy o’quv yurtlariga kiruvchilar uchun kimyo fanidan http://ru.wikipedia.org/wiki/%d0%a4%d0%b0%d0%b9%d0%bb:fullerene_c60.jpg adti qoshidagi akademik litsey hoshimov husanboy 2 1. elementni toping – 1. 1. (eoh)3(po4)2 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p6 bo`lsa, bu qaysi element? a) ca b) mg c) fe d) al 2. (nh4)2 heo4 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p6 bo`lsa, bu qaysi elementga to`g`ri keladi? a) se b) p c) s d) cl 3. (eoh)3po4 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p6 bo`lsa, bu element qaysi? a) na b) mg c) al d) ca 4. (eoh)3po4 tarkibli moddada, e ning konfiguratsiyasi 1s22s22p63s23p6 bo`lsa, bu element qaysi? a) na b) mg c...

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