Natija test 8m3 kislarod va 6m

Natija test
1. 2.8m³ kislarod va 5.6m³ azotdan iborat aralashmadagi (n.sh) molekulalar sonini
hisoblang?
A) 2.56*10²³ B) 3.34*10²⁶ C) 2.26*10²⁶ D) 3.01*10²³
2. Miqdori 0.4 mol bo’lgan natriy atsetatdan qancha hajm (l n.sh ) metan olish mumkin?
( reaksiya unumi 75% )
A) 4,48 B) 8,96 C) 6,72 D) 3,36
3. 0.55 mol xH₂SO₄*ySO₃ tarkibli oleumni to’la neytrallash uchun NaOH ning 10M li
( p=1.328 g/ml ) eritmasi sarflandi. Hosil bo’lgan eritmaning massasi 195.25 g bo’lsa, NaOH
ning massa ulushini toping?
A) 53 B) 15 C) 26 D) 30
4. CaCO₃ va KHCO₃ aralashmasining 0.8 mol miqdori termik parchalanganda 11.2 l (n.sh) gaz
va 5.4 g H₂O hosil bo’ldi . dastlabki aralashmada KHCO₃ ning massasini aniqlang?
A) 20 B) 2 C) 60 D) 6
5. B(OH)₃ , CO(OH)₂ , NO(OH) , NO₂(OH) birikmalarning kislotalik xossasi chapdan o’ngga
qanday o’zgaradi?
A) ortadi B) oldiniga ortadi, so’ngra kamayadi
C) oldiniga kamayadi, so’ngra ortadi D) kamayadi
6. 2-metil-2-yodbutan va 2-metil-2-yodpropan natriy metali bilan o’zaro tasirlashganda
( virus reaksiyasi ) qanday alkanlar hosil bo’ladi?
1) 2.2.3.3-tetrametil pentan 2) 2.2.4.4-tetrametil pentan 3) 3.3.4.4-tetrametil geksan
4) 2.2.5.5-tetrametil geksan 5) 2.2.3.3-tetrametil butan 6) 2.2.3-trimetil butan
A) 2.4.5 B) 2.5.6 C) 1.3.5 D) 1.3.6
7. Necha gramm uglerod (IV) oksidga 11.2 l (n.sh) metan qo’shganimizda aralashmadagi
elektronlar yig’indisi Avagadro sonidan 16 marta ko’p bo’ladi?
A) 22 B) 11.2 C) 13.44 D) 44
8. Ca₃(PO₄)₂+SiO₂+C=CaSiO₃+CO+P ushbu reaksiya asosida 3.1 g fosfor olingan bo’lsa necha
litr is gazi ajralgan? Reaksiya tenglamasidagi barcha koefitsientlar yig’indisini aniqlang.
A) 5.6;19 B) 2.8;20 C) 5.3;18 D) 2.4;20
9. Element yodidi va yodatlarining molyar massa nisbati 1:1.32 ga teng. Nomalum
elementni aniqlang .
A) Na B) Sr C) K D) Ca
10. Neopentan molekulasidagi sigma bog’lar soni qancha ?
A) 18 B) 16 C) 12 D) 46
Natija test
1. 2.8m³ kislarod va 5.6m³ azotdan iborat aralashmadagi (n.sh) molekulalar sonini
hisoblang?
A) 2.56*10²³ B) 3.34*10²⁶ C) 2.26*10²⁶ D) 3.01*10²³
2. Miqdori 0.4 mol bo’lgan natriy atsetatdan qancha hajm (l n.sh ) metan olish mumkin?
( reaksiya unumi 75% )
A) 4,48 B) 8,96 C) 6,72 D) 3,36
3. 0.55 mol xH₂SO₄*ySO₃ tarkibli oleumni to’la neytrallash uchun NaOH ning 10M li
( p=1.328 g/ml ) eritmasi sarflandi. Hosil bo’lgan eritmaning massasi 195.25 g bo’lsa, NaOH
ning massa ulushini toping?
A) 53 B) 15 C) 26 D) 30
4. CaCO₃ va KHCO₃ aralashmasining 0.8 mol miqdori termik parchalanganda 11.2 l (n.sh) gaz
va 5.4 g H₂O hosil bo’ldi . dastlabki aralashmada KHCO₃ ning massasini aniqlang?
A) 20 B) 2 C) 60 D) 6
5. B(OH)₃ , CO(OH)₂ , NO(OH) , NO₂(OH) birikmalarning kislotalik xossasi chapdan o’ngga
qanday o’zgaradi?
A) ortadi B) oldiniga ortadi, so’ngra kamayadi
C) oldiniga kamayadi, so’ngra ortadi D) kamayadi
6. 2-metil-2-yodbutan va 2-metil-2-yodpropan natriy metali bilan o’zaro tasirlashganda
( virus reaksiyasi ) qanday alkanlar hosil bo’ladi?
1) 2.2.3.3-tetrametil pentan 2) 2.2.4.4-tetrametil pentan 3) 3.3.4.4-tetrametil geksan
4) 2.2.5.5-tetrametil geksan 5) 2.2.3.3-tetrametil butan 6) 2.2.3-trimetil butan
A) 2.4.5 B) 2.5.6 C) 1.3.5 D) 1.3.6
7. Necha gramm uglerod (IV) oksidga 11.2 l (n.sh) metan qo’shganimizda aralashmadagi
elektronlar yig’indisi Avagadro sonidan 16 marta ko’p bo’ladi?
A) 22 B) 11.2 C) 13.44 D) 44
8. Ca₃(PO₄)₂+SiO₂+C=CaSiO₃+CO+P ushbu reaksiya asosida 3.1 g fosfor olingan bo’lsa necha
litr is gazi ajralgan? Reaksiya tenglamasidagi barcha koefitsientlar yig’indisini aniqlang.
A) 5.6;19 B) 2.8;20 C) 5.3;18 D) 2.4;20
9. Element yodidi va yodatlarining molyar massa nisbati 1:1.32 ga teng. Nomalum
elementni aniqlang .
A) Na B) Sr C) K D) Ca
10. Neopentan molekulasidagi sigma bog’lar soni qancha ?
A) 18 B) 16 C) 12 D) 46