7-sinf 1-chorak uchun nazorat testi 1– variant 1

7. Gazning temperaturasini o’zgartirmagan holda bosimini 3 marta oshirish uchun hajmini qanday o’zgartirish kerak ? ____________________________
8. 297 K temperaturani ̊ C hisobida ifodalang ___________________
9. Ideal gazning hajmi 2,25 marta izobarik kamaytirilsa, uning temperaturasi necha marta o’zgaradi ?_____________________
10. Avogadro doimiysi bilan Boltsman doimiysining ko’paytma qanday ataladi?____
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9-sinf 1-chorak uchun nazorat testi
2– variant
1. Ideal gazning hajmi 2,25 marta izobarik kamaytirilsa, uning temperaturasi necha marta o’zgaradi ?
A) 1,5 marta kamayadi B) 2,25 marta kamayadi C) 1,5 marta ortadi D) 2,25² marta kamayadi
2. Real ( tabiatda uchraydigan ) gazlar uchun qaysi fikr to’g’ri ?
I. Real gaz molekulalari o’zaro ta’sirlashadi.II. Real gaz molekulallari murakkab harakar qiladi. III. Real gazlar bir atomli gaz deyiladi. IV. Real gazlar molekulalari o’zaro ta’sirlashmaydi.V. Real gaz molekulalari ham kinetik va ham potensial energiyaga ega. A) I, II, III, IV, V B) I, II, V C) II, III, IV D) III, IV, V 3. Izoxorik jarayonda qaysi kattalik o’zgarmas ? A) gazning bosimi va temperaturasi B) gazning bosimi C) gazning hajmi D) gazning temperaturasi
4. Ideal gazning holat tenglamasi qaysi olimning nomi bilan ataladi ?
A) Mendeleyev B) Mendeleyev – Klapeyron C) Gey - Lyussak D) Boyl- Mariott
5. Temperatura xalqaro birliklar sistemasida qanday birlikda o’lchanadi ?
A) K B) ̊ C C) J/K D) J
6. 2 mol gaz 27 ̊ C temperaturada 100 kPa bosimga ega bo’lishi uchun qancha hajmni egallashi kerak ( m³ ) ? ______________
7. Gaz hajmining o’zgarishi bilan uning bosimi orasidagi ko’paytma qanday ataladi?______
8. Avogadro doimiysi bilan Boltsman doimiysining ko’paytma qanday ataladi ?_____ 9. Ideal gazning hajmi 3 marta izobarik kamaytirilsa, uning temperaturasi necha marta o’zgaradi ?___________________