08 - sinf chsb-4 — uzb — 1-variant

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08 – sinf. chsb-4 1-variant1000002105094 1000002 1000002105094 emaktab 1000002105094 emaktab 1. (b) ammiak katalizator ishtirokida yondirilganda qanday mahsulotlar hosil boʻladi? a) no va h2 b) no va h2o c) n2 va h2o d) n2 va h21000002105094 emaktab 2. (b) agno3 termik parchalanishi reaksiyasining tenglamasini aniqlang a) agno3 → ag + n2 + o2 b) agno3 → ag + no2 + o2 c) agno3 → ag2o + no2 d) agno3 → agno2 + o2 3. (b) fosforli mineral oʻgʻitni tanlang a) kaliy xlorid1000002105094 emaktab b) karbamid c) ammiakli selitra d) oddiy superfosfat 4. (q) 1 mol ammiak tarkibida nechta vodorod atomi mavjud? a) 18,06 · 1023 b) 24,08 · 1023 c) 30,10 · 1023 d) 36,12 · 1023 5. (q) 192 g mis suyultirilgan nitrat kislotada eritilganda necha litr (n.sh.) gaz ajraladi? a) 89,6 b) 67,2 c) 44,8 d) 22,4 6. (q) mis konsentrlangan nitrat kislotada eritilganda 56,4 gramm mis (ii) …
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08 – sinf. chsb-4 1-variant1000002105094 1000002 1000002105094 emaktab 1000002105094 emaktab 1. (b) ammiak katalizator ishtirokida yondirilganda qanday mahsulotlar hosil boʻladi? a) no va h2 b) no va h2o c) n2 va h2o d) n2 va h21000002105094 emaktab 2. (b) agno3 termik parchalanishi reaksiyasining tenglamasini aniqlang a) agno3 → ag + n2 + o2 b) agno3 → ag + no2 + o2 c) agno3 → ag2o + no2 d) agno3 → agno2 + o2 3. (b) fosforli mineral oʻgʻitni tanlang a) kaliy xlorid1000002105094 emaktab b) karbamid c) ammiakli selitra d) oddiy superfosfat 4. (q) 1 mol ammiak tarkibida nechta vodorod atomi mavjud? a) 18,06 · 1023 b) 24,08 · 1023 c) 30,10 · 1023 d) 36,12 · 1023 5. (q) 192 …

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