Viii sinf uchun kimyo fanidan 1-chorak uchun test savollari

VIII sinf. Kimyo. I-variant.
1.Oddiy moddalar qatorini ko’rsating ?

A) H₂ H₂O O₂ B) Fe Cu Na C) Cu Na NO D) Fe , H₂O Na

2) Fizikaviy hodisani aniqlang ?

A) Тemirning zanglashi . V)Тumanning paydo bo’lishi . S) Ko’mirning yonishi . D. Bilmayman

3. Kimyoviy hodisani ko’rsating.?

A)Bulutning paydo bo’lishi . V) Osh tuzining suvda erishi . S)Тemirnimng zanglashi D. To`g`ri javob yo`q

4. O’zgaruvchan valentli elementlarni ko’rsating ?

A). Li , Na , K B) .Na , Fe , S C) . N , S , C D) Na ,S , C

5. Oddiy moddalardan metallarni ayirib ko’rsating?

A). Li , Na ,Fe B). Li , Na , O₂ C). Li , S , N D Li , Fe O₂

6.Murakkab moddalarni ko’rsating ?

A). N O₂ H₂O B) NaCI H₂S NO C) NaCI NO N₂ D) H₂S NO N₂

7. 0.1mol vodorod necha gramm keladi ?

A) 2g. V) 1g. S) 0.2g D) 3 g

8. 2 mol kisloroddagi molekulalar soni nechta ?

A) 6.02.10²³ V) 12.04.10²³ S) 12.04.²² D) ) 12.04.10²⁵

9 .0.3 mol SiO necha gramm keladi ?

A) 24g. V) 34g. S) 28g В) 30 gr

10. Kislotalar qatorini ko’rsating?

A) HCI NH₃ Na₂O B) HCI Na₂O H₂S C) HCI HF H₂SO₄ D)To`g`ri javob yo`q

11.Osh tuzi malekulasidagi ximiyaviy bog’lanishni ko’rsating ?

A)Kovalent V) Qutbli kovalent S) ion

12 Quydagi formulalardan asosli oksidni toping .1.Na₂O 2 N₂O₅ 3 SO₃ 4 ZpO 5 FeO

A) . 1 va 5 V) 1 va 4 S) 2 va 3

13. Qaysi moddalar qutbli bog’lanish natijasida hosil bo’lgan ?
A) H₂O B) NaCI C) K₂O

14. Erigan moddaning massa ulushini topish formulasi qaysi ?

A) C---M₁ 100/M B) C----M/V 100 C) C-----M/M₁

15.Natriy atomining elektron formulasini aniqlang?

A) 1S²2S²2P⁶3S¹ B) 1S²2S²2P⁶3S² C) 1S²2S²2P⁶

16. Quyidagi reaksiya kimyoviy reaksiyalarning qaysi turiga kiradi? Zp + 2HCI --- ZpCI₂ + H₂

A)Birikish V) Almashinish S) Ajralish

17. Тuzning formulasini aniqlang ?

A) H₃PO₄ B) NaOH C) KCI

18.Ishqorni ko’rsating ?

A)LiOH B) CO C) H₂SO₄

19.Kislorodli kislotani ko’rsating?

A) HCI B) HCIO₄ C) CI₂O₇

20.Uch xil tuz hosil qiladigan kislotani aniqlang ?

A) HCI B) H₂SO₄ C) H ₃PO₄

21. Ҳar қanday gazning 1 moli normal sharoitda қanday xajmni egallaydi?

22. 1.8 gr. suv parchalanganda necha litr vodorod xosil bo’ladi?

23. Avagadro doimiysini yozing

24. 10 mol sum necha gr. keladi?

25. Karbonat angidrit (CO₂) ning molekulyar massasi қancha?

VIII sinf. Kimyo. .

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
B	B	C	C	A	B	C	B	A	C	C	A	A	A	A	C	C	A	B	C

21 22.4  

22 22.4 l.

23 6.02*10²³

24 180 gr

25 44

VIII-sinf . Kimyo. (Bilimlar sinovi uchun)

1. 31g.Fosfordan necha gramm fosfor (II)-oksidi olish mumkin ?

A) 35.5g. B) 71g. C) 142g D) 144g

2. 5.6g.temir mis sulfat tarkibidagi necha gramm misning o’rnini olishi mumkin

A) 64g. B) 6.4g C) 3.2g. D) 32g

3. 32g. Mis (II)- sulfat bilan necha gramm o’yuvchi natriy almashinish reaksiyasiga kirishishi mumkin?

A) 16g. B) 32g. C) 40g. D) 56g

4. Quyidagi moddalarning qaysi biridan kislorod olish mumkin ?

A) Na₂SO₄ B) KMnO₄ C) K₃PO₄ D) HNO₃

5.Davriy sistemada elementning tartib raqami qanday ma’noga ega ?

A) Yadro zaryadiga teng B) Elektro qobiqlari soniga teng C) Neytronlar soniga teng D) to’g’ri javob yo’q

6. Quydagi qaysi element atomining tuzilishi 2e ,8e,8e ekanligini aniqlang ?

A) K B) Ar C) CI D) Ag

7 S-ELEMENТLAR qatorini ko’rsating ?

A) Li Na Md B) Na Md O C) Li Na CI D) Li S Cu

8 P-elementlar qatorini ko’rsating ?

A) Si N CI B) Si Md CI C) N CI Ca D) Li S Cu

9. Davriy sistema va davriy qonun qachon kashf etilgan ?

A) 1861y B) 1869y C) 1879y. D) 1809 yil

10. Elektr manfiyligi yuqori bo’lgan elementni ko’rsating ?

A) kislorod B) xlor C) azot D) Ftor

11. Aammiak malekulasida kimyoviy bog’lanishning qaysi turi kuzatiladi ?

A) ion bog’lanish B) kovalent bog’lanish C) qutbli kovalent bog’lanish D) Metall bog’lanish

12. Osh tuzi qanday bog’lanish natijasida g’osil bo’lgan

A) ion bog’lanish B) kovalent bog’lanish C) qutbli kovalent bog’lanish D) Metall bog’lanish

13.Oksidlanish darajasi +6 bo’lgan elementni ko’rsating ?

A) N₂ B) Ca C) S D) Na

14. 2.3g.natriydagi atomlar sonini aniqlang?

A) 6.02.10²³ B) 6.02.10²² C) 6.02.10²⁴ D) 6.02.10²⁵

15.Kislorod necha gradusda suyuqlanadi ?

A) -160⁰C B) -170⁰C C) -183⁰C D) -185⁰ C

16. 36g. Ko’mir yonishi uchun necha litr ( n.sh.da ) kislorod kerak bo’ladi ?

A) 22.4l B) 44.8l C) 67.2l. D) 22.8

17. Natriy atomining elektron konfiguratsiyasi qanday?

A) 1S²2S²2P⁶3S¹ B) 1S²2S²2P⁶3S² C) 1S²2S²2P⁶3S²3P¹ D) to’g’ri javob yo’q.

18. 3.2g.kislorod N.Sh.da qancha hajmni egallaydi ?

A) 2.24L B) 22.4 L C) 224L D) 2240 L

19. Kislorod qaysi birikmasida -1 oksidlanish darajasini namoyon qiladi?

______________________________________________________

20. 32g.metan yonganda qancha issiqlik chiqadi ?

__________________________________________________________

CH₄ + 2O₂--------- CO₂ + 2H₂O + 802kj

21. Har qanday gazning 1 moli normal sharoitda qanday hajmni egallaydi?

_______________________________________________________

22. 1.8 gr. suv parchalanganda necha litr vodorod hosil bo’ladi?

_______________________________________________________

23. Avagadro doimiysini toping.

__________________________________________________________

24. 10 mol suv necha gr. keladi?

__________________________________________________________

25. Karbonat angidrit (CO₂) ning molekulyar massasi qancha?

__________________________________________________________

VIII sinf. Kimyo

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
B	B	A	B	A	B	A	A	B	D	C	A	C	B	C	C	A	A

19.H O

20. 1604kj

21 22.4  

22 2.24 l.

23 6.02*10²³

24 180 gr.

25 44

8 - Sinf. Kimyo III – chorak. I-variant.

1. 3,2 gramm kislarod N Sh.da qancha hajmni egallaydi?

A) 2,24 l B) 22,4 l C) 11,2 l

2. Kislota qoldig'ining valentligini aniqlang. NH4H2PO4

A) 1 B) 2 C) 3

3. Quyidagi moddalarni qaysi biri gaz ?

A) Al₂O₃ B) Na₂S C) CH₄

4. Elektrmanfiyligi yuqori bo'lgan elementni ko'rsating ?

A) Ftor B) Kislarod C) Azot

5. Quyidagi moddalarning qaysi biridan kislarod olish mumkin ?

A) Na₂SO₄ B) KMnO₄ C) K₃PO₄

6. Qaysi qatorda izobarlar ko'rsatilgan?

A) 16 17 B) 39 39 C) 39 17

O, O K, Ar Ar, O

8 8 18 19 18 8

7. Moddalar massasini saqlanish qonunini kim,qachon kashf etgan ?

A) D.I.Mendeleev 1869 B) M.B.Lomonxov 1748 C) J.Dalton 1789

8. 72 gramm suv hosil bo'lishi uchun necha gramm vodorod yonishi kerak?

A) 6 g B) 10 g C) 8 g

9. 0,1 moli 2 gramm keladigan molyar massasi qancha ?

A) 20 B) 40 C) 60

10. Azot (II) - oksid vodorodga nisbatan 15 marta og'ir.Shu gazning molekulyar massasi qancha?

A) 15 B) 30 C) 45

11. Massasi 200 gramm bo'lgan CaCo₃ dan necha gramm kalsiy oksid olish mumkin?

A) 112 B) 56 C) 168

12. Xrom qaysi birikmada 3 valentli ?

A) CrO B) Cr₂O₃ C) CrO₃

13. Atom - molekulyar ta'limot kim tomonidan yaratilgan ?

A) M.B.Lomonosov B) E.Frankled C) A.M.Butlerov

14. "Kimyoviy element" tushunchasini fanga kim kiritgan?

A) Levkill B) Demokrit C) R.Boyl

15. Elektronning massasi protonning massasidan necha marta kichik ?

A) 1700 B) 1800 C) 1836

16. Yer qobig'ida eng ko'p tarqalgan elementlar ?

A) Cu,Hg B) O₂,Si C) Si,Fe

17. Koinotda eng ko'p tarqalgan element ?

A) O₂ B) Al C) H2

18. Suvning nisbiy molekulyar massasi qancha ?

A) 18 B) 18 g/mol C) 18 mol

19. Molyar massa birligini toping .

A) mol B) g/mol C) m.a.b

20. Spirt bilan suv aralashmasi qanday ajratiladi ?

A) Tindirish B) Qaynatish C) Distillash

21. 10 mol vodorod necha gramm keladi ?

22. Elektrmanfiyligi yuqori bo'lgan elementni ko'rsating.

23. Osh tuzida kimyoviy bog'lanishning qaysi turi kuzatiladi ?

24. S-elementni aniqlang .

25. Oltingugurtning birikmalardagi valentligi qanday ?

VIII sinf. Kimyo. III-chorak.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
A	A	C	A	B	B	B	C	A	B	A	B	A	C	C	B	C	A	B	C

21 18

22 Kislarod

23 Ion bog'lanish

24 Litiy

25 2,4,6

8-sinf. Kimyo. IV- chorak. I-variant.

1. Qaysi element atomi bitta elektronni oson beradi?

A) Ca B) Fe C) k

2. Davrlarda elementlar tartib raqamining ortib borishi bilan

elementlarning elektromanfiyligi qanday o'zgaradi?

A) ortadi B) kamayadi C) faqat kichik davrlarda ortadi

3. Qaysi elementda metallik xossasi kuchli?

A) Cu B) Ag C) Ca

4. Qaysi elementning metalmaslik xossasi kuchli?

A) S B) Si C) C

5. Qaysi elementning elektromanfiyligi katta?

A) B B) C C) N

6.Qaysi elementning elektromanfiyligi kichik?

A) b B) C C) N

7. Atom tuzilishi quydagicha bo'lgan qaysi elementning metallik xossasi kuchli?

A) ...2s1 B) ...3s1 C) ...4s1

8. Quydagilardan qaysi eng barqaror birikma?

A) H₂CO₃ B) NH$OH C) NH₃

9. Qaysi qatorda faqat ion bog'lanishli birikmalar berilgan?

A) K Cl,FeS, MgO B) KCl,FeS,NH₃ C) NH₃,H₂O,CuO

10. Qaysi qatorda qutubsiz bog'lanishli moddalar ko'rsatilgan?

A) Na,H₂O,NaCl,NaCl B) H₂,N₂,O₂ C) N₂,O₂,H₂O

11. Qaysi birikmada azotning oksidlanish darajasi eng yuqori?

A) amiak B)nitrat kislota C) azot(II)-oksid

12. Natriy peroksidda kislorodning oksidlanish darajasi nechaga teng?

A) -1 B) +1 C) -3

13. Qaysi gaz suvda yaxshi eriydi?

A) vodorot B) xlor C) vodorot xlarit

14. Qaysi modda kuchli oksidlanuvchi?

A) H ClO₄ B) HClO₂ C) H ClO

15. Qaysi reaksiya oddiy sharoitda boradi?

A) Cu+Cl₄ B) Na+ Cl₂ C) Fe+ Cl₂

16. Qaysi birikmada azot-3 oksidlanish darajasiga ega?

A) N₂ B) NO C) NH₃

17. 0,25 mol vodorotda atomla soni nechta?

A) 6,02*10 23 B) 3,01*10 23 C) 1,505*10 23

18. Vodorot qizdirilganda qaysi moddalar bilan uchuvchan bo'lmagan birikma

hosil qiladi?

A) P va N B) Cl va Br C) Ca va Ba

19. Qaysi modda ishqor eritmasi bilan reaksiyaga kirishadi?

A) O₂ B) Co₂ C) NO

20. Quydagilardan qaysi birida olningugrtning oksidlanish darajasi -2 ga teng?

A) H₂S B) SO₂ C) H₂SO₄

21. Azot (II) -oksid vodorotga nisbatan 15 marta og'ir.Shu gazning molyar

massasi nechaga teng?

22.Molyar massasi 46 ga teng bo'lgan modda bog'ining havoga nisbatan

zichligini aniqlang?

23. Massasi 100 gr bo'lgan Ca Co₃ dannecha gr CaO olish mumkin?

24. 31 gr fosfortdan necha gr P₂O₅ olish mumkin?

25.0,1 mol 2 gramm keladigan moddaning molekulyar massasi qancha bo'ladi
VIII sinf. Kimyo. IV-chorak.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
C	C	C	A	C	A	C	C	A	B	B	A	C	A	B	C	C	C	B	A

21 30

22 1.59

23 56 gr

24 71 gr

25 20

VIII sinf. Kimyo. Yillik.
1.Oddiy moddalar qatorini ko’rsating ?

A) H₂ H₂O O₂ B) Fe Cu Na C)) Cu Na NO

2) Fizikaviy hodisani aniqlang ?

A) Тemirning zanglashi . V)Тumanning paydo bo’lishi . S) Ko’mirning yonishi .

3. Kimyoviy hodisani ko’rsating.?

A)Bulutning paydo bo’lishi . V) Osh tuzining suvda erishi . S)Тemirnimng zanglashi

4. O’zgaruvchan valentli elementlarni ko’rsating ?

A). Li , Na , K B) .Na , Fe , S C) . N , S , C

5. Oddiy moddalardan metallarni ayirib ko’rsating?

A). Li , Na ,Fe B). Li , Na , O₂ C). Li , S , N

6.Murakkab moddalarni ko’rsating ?

A). N O₂ H₂O B) NaCI H₂S NO C) NaCI NO N₂

7. 0.1mol vodorod necha gramm keladi ?

A) 2g. V) 1g. S) 0.2g

8. 2 mol kisloroddagi molekulalar soni nechta ?

A) 6.02.10²³ V) 12.04.10²³ S) 12.04.²²

9 .0.3 mol SiO necha gramm keladi ?

A) 24g. V) 34g. S) 28g

10. Elektr manfiyligi yuqori bo’lgan elementni ko’rsating ?

A) kislorod B) xlor C) azot

11. Aammiak malekulasida ximyaviy bog’lanishning qaysi turi kuzatiladi ?

A) ion bog’lanish B) kovalent bog’lanish C) qutbli kovalent bog’lanish

12. Osh tuzi qanday bog’lanish natijasida g’osil bo’lgan

A) ion bog’lanish B) kovalent bog’lanish C) qutbli kovalent bog’lanish

13.Oksidlanish darajasi +6 bo’lgan elementni ko’rsating ?

A) N₂ B) Ca C) S

14. 2.3g.natriydagi atomlar sonini aniqlang?

A) 6.02.10²³ B) 6.02.10²² C) 6.02.10²⁴

15. Elektronning massasi protonning massasidan necha marta kichik ?

A) 1700 B) 1800 C) 1836

16. Yer qobig'ida eng ko'p tarqalgan elementlar ?

A) Cu,Hg B) O₂,Si C) Si,Fe

17. Koinotda eng ko'p tarqalgan element ?

A) O₂ B) Al C) H2

18. Suvning nisbiy molekulyar massasi qancha ?

A) 18 B) 18 g/mol C) 18 mol

19. Molyar massa birligini toping .

A) mol B) g/mol C) m.a.b

20. Spirt bilan suv aralashmasi qanday ajratiladi ?

A) Tindirish B) Qaynatish C) Distillash

21. Azot (II) -oksid vodorotga nisbatan 15 marta og'ir.Shu gazning molyar

massasi nechaga teng?

A) 15 B) 30 C) 45

22.Molyar massasi 46 ga teng bo'lgan modda bog'ining havoga nisbatan

zichligini aniqlang?

A) 1,12 B) 0,89 C) 1,59

23. Massasi 100 gr bo'lgan Ca Co₃ dannecha gr CaO olish mumkin?

A) 56 gr B) 112 gr C) 40 gr

24. 31 gr fosfortdan necha gr P₂O₅ olish mumkin?

A) 35,5 gr B) 71 gr C) 142 gr

25.0,1 mol 2 gramm keladigan moddaning molekulyar massasi qancha bo'ladi

A) 20 B) 30 C) 40

Kalit. I-variant.

VIII sinf. Kimyo. 1-chorak.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
B	B	C	C	A	B	C	B	A	C	C	A	A	A	A	C	C	A	B	C	A	A	A	A	A

VIII sinf. Kimyo. II-chorak.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
B	B	A	B	A	B	A	A	B	A	C	A	C	B	C	C	A	A	B	C	A	A	A	A	A

VIII sinf. Kimyo. III-chorak.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
A	A	C	A	B	B	B	C	A	B	A	B	A	C	C	B	C	A	B	C	A	A	B	A	C

VIII sinf. Kimyo. IV-chorak.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
C	C	C	A	C	A	C	C	A	B	B	A	C	A	B	C	C	C	B	A	B	C	A	B	A

VIII sinf. Kimyo. Yillik.

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25
B	B	C	C	A	B	C	B	A	A	C	A	C	B	C	B	C	A	B	C	B	C	A	B	A