Molekular-kinetik nazariyaga ko’ra modda tuzilishining ta omili to’g’ri berilgan javobni ko’rsating. Moddalar zarralardan atom va molekulalardan tashkil topgan

9-sinf

Test savollari

1.Molekular-kinetik nazariyaga ko’ra modda tuzilishining 3 ta omili to’g’ri berilgan javobni ko’rsating. 1.Moddalar zarralardan – atom va molekulalardan tashkil topgan. 2.Atom va molekulalar to’xtovsiz va tartibsiz harakat qiladi. 3.Atom va molekulalar orasida o’zaro tortishish va itarishish kuchlari mavjud. 4.Tabiatda moddalar uch holatda: gaz, suyuq va qattiq holatda uchraydi.

A) 1, 3, 4 B) 2, 3, 4 S) 1, 2, 3 D) 1, 2, 4

2.Suyuqlik va gazlarda zarralarning to’xtovsiz va tartibsiz harakati nima deb ataladi?

A) diffuziya B) broun harakat S) ilgarilanma harakat D) temperatura

3.Molekulalar konsentratsiyasi deb nimaga aytiladi?

A) moddaning kimyoviy xossasini saqlab qoladigan eng kichik zarraga

B) molekula va atomlarning to’xtovsiz va tartibsiz harakatiga

S) moddaning issiqlik holatini miqdor jihatdan saqlaydigan kattalikka

D) moddaning hajm birligidagi molekulalar soniga

4.Bitta molekulaning massasi o’rtacha qancha atrofida bo’ladi?

A) 10^-22 kg – 10^-29 kg B) 10^-20 kg – 10^-28 kg S) 10^-22 kg – 10^-20 kg D) 10^-27 kg – 10^-25 kg

5. 5 litrli idishda 2,4∙10²⁴ ta gaz molekulasi bor. Gaz molekulalari konsentratsiyasini toping.

A) 4,8∙10²⁶ m^-3 B) 12∙10²⁴ m^-3 S) 7,4∙10²² m^-3 D) 2,4∙10²⁵ m^-3

6.Universal gaz doimiysining son qiymati to’g’ri berilgan javobni ko’rsating.

A) 1,38∙10^-23 J/K B) 8,31 J/K∙mol S) 9∙10⁹ N∙m²/C² D) 6,02∙10²³ 1/mol

7.Molar massaning xalqaro birliklar sistemasi (XBS)dagi birligini ko’rsating.

A) 1 J/K B) 1 kg/mol S) 1 mol^-1 D) 1 Pa

8.Modda miqdorini toppish formulasini toping.

A) B) S) D)

9.Suv molekulasining (H₂O) nisbiy molecular massasi qanchaga teng?

A) 44 m.a.b. B) 32 m.a.b. S) 18 m.a.b. D) 2 m.a.b.

10.Normal sharoitda har qanday gazning 1 mol modda miqdori qancha hajmni egallaydi?

A) 0,024 m³ B) 0,0242 m³ S) 0,0204 m³ D) 0,0224 m³

11. Ideal gaz molekular-kinetik nazariyasining asosiy tenglamasini ko’rsating.

A) B) S) D)

12.Suvning temperaturasini o’lchovchi termometrning shkalasi to’g’ri berilgan javobni belgilang.

A) -20 dan 50⁰C gacha B) 0 dan 100⁰C gacha S) 35 dan 42⁰C gacha D) -273 dan 0⁰C gacha

13.Gaz kengayganda gaz ustida qanday ish bajariladi va uning ichki energiyasi qanday o’zgaradi?

A) manfiy ish bajariladi, ichki energiya ortadi

B) musbat ishbajariladi, ichki energiya kamayadi

S) manfiy ish bajariladi, ichki energiya kamayadi

D) musbat ish bajariladi, ichki energiya ortadi

14.Termodinamika ish formulasi to’g’ri berilgan javobni belgilang.

A) B) S) D)

15. 1 kg moddaning temperaturasini 1 K ga oshirish uchun unga berish zarur bo’lgan issiqlik miqdor ish u moddaning … deb ataladi.Nuqtalar o’rniga to’g’ri javobni belgilang va formulasini ko’rsating.

A) issiqlik sig’imi,

B) solishtirma issiqlik sig’imi,

S) solishtirma yonish issiqligi,

D) o’rtacha kinetic energiya,

16.Quyidagi Selsiy shkalasida berilgan ifodani Kelvin shkalasida ifodalang.

t=-150⁰C.

A) T=423 K B) T=150 K S) T=123 K D) T=273 K

17.Quyidagi Kelvin shkalasida berilgani fodani Selsiy shkalasida ifodalang. T=100 K

A) t=-273 ⁰C B) t=-173 ⁰C S) t=373 ⁰C D) t=0 ⁰C

18.Gaz molekulalarining o’rtacha kvadratik tezligini toppish ifodasini ko’rsating.

A) B) S) D)

19.Gaz molekulalarining harakat tezligini birinchi bo’lib 1920-yilda kimt omonidan aniqlangan?

A) J.Maksvell B) A.Avogadro S) O.Shtern D) E.Rezerford

20.Kislorod molekulalarining 27⁰C haroratdagi o’rtacha kvadratik tezligini toping.

A) 483 m/s B) 516 m/s S) 440 m/s D) 533 m/s

21.Izotermik jarayon formulasini to’g’ri ko’rsating.

A) B) S) D)

22.Izobarik jarayon formulasini to’g’riko’rsating.

A) B) S) D)

23.Izoxorik jarayon formulasini to’g’ri ko’rsating.

A) B) S) D)

24. Termodinamikaning birinchi qonunini formulasini ko’rsating.

A) B) S) D)

25. Ideal gaz holatining tenglamasi formulasini to’g’ri belgilang.

A) B) S) D)

Javoblar.1-S 2-B 3-D 4-D 5-A 6-B 7-S 8-A 9-S 10-D

11-D 12-B 13-B 14-S 15-B 16-A 17-B 18-B 19-S 20-A

21-B 22-D 23-A 24-A 25-A.