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9-sinf Fizika test savollari.
I-variant
1.Hajmi 1litr bolgan suvdagi molekulalar sonini toping.µ=18*10-3kg/mol, NA=6.025*10231/mol
A.2.3*1026ta B.2.8*1025ta C.3*1026ta D.3.3*1025ta
2.Hajmi V=500 sm3 idishda t=17oC harorati m=0.89 gr vodorod bor. Gazning bosimini toping.(µ=2*10-3kg/mol)
A.2Mpa B.2.17 Mpa C.3.2Mpa D.1Mpa
3.360o K maksimal haroratda bosimi p=6 Mpa dan oshmasligi uchun ν=50 mol gaz saqlanadigan balonnning hajmi qancha bo’lishi kerak?
A.25 l B.30 l C.20 1 D.35 1
4.Massasi 16gr bo’lgan gaz1 Mpa va 112o temperaturada ν=1600 sm3 hajmni egallagan bo’lsa, gazning turi, ya’ni molar massa aniqlansin.
A.48*10-3kg/mol B.38*10-3kg/mol C.32*10-3kg/mol D.30*103kg/mol
5.Harorati T=550oC va bosimi P=150kpa bo’lgan gaz molekulalarining konsentratsiyasini toping.
A.3*1025m3 B.2.5*1025m3 C.2*1025 m-3 D.1.5*1025 m-3
6.450 mol kislorodning massasini aniqlang.
A.7.2 kg B.14.4 kg C.9.2 kg D.6.7 kg
7.Normal sharoitda 0.5kg geliyda qancha molekula bor?
A.7.5*1025 B.8.5*1025 C.7.5*1028 D.6.5*1025
8.Kislorodning molar massasi 0.032kg/mol ga teng. Kislorod molekulasining massasi qancha?
A.5.3*10-26kg B.6.3*10-26kg C.9.3*10-26kg D.8.3*10-26kg
9.16 kg kislorod va 1gr vodorodda qancha molekula bor?
A.3*1025 3*1023 B.3*1028 3*1028 C.3*1027 3*1027 D.4*1025 3*1023
10.Normal sharoitda 0.7 kg azot oksidi(NO)da qancha molekula bor?
A.1.4*1025 B.2.4*1025 C.6.4*1025 D.3.4*1025
11.Sigimi 200 sm3 bolgan stakanda nechta suv molekulasi boladi? Suv molar massasina 18*10-3 kg/mol ga teng deb oling.
A.6.7*1024 B.7.7*1024 C.5.7*1024 D.47*1024
12.Molekulalar soni 3*1023 bolgan azotning massasini toping.(gr) µ=28g/mol
A.168 B.14 C.56 D.28
13.Reaktiv harakat deb nimaga aytiladi?
14.0otemperaturadagi 9kg suvga 00C temperaturadagi 7kg muz solinsa muzning qancha qismi eriydi?
15.Jismga boshqa jismning ta`siri bo`lmaganda,jism tezligini saqlash hodisasi nima
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13 ) Tezlikning o`zgarishi
14) A=mgh
15) Jism tezligiga qarama-qarshi yo`nalishdagi harakat
9-sinf fizika test savollari
II-variant
1.Ishchi bo`sh po`lat shar suv ichida muvozanatda turibdi. Agar shar ichidagi bo`shliqning hajmi 6,8 sm3 bo`lsa shamning massasi necha grammga teng ? Po`latning zichligi 7800kg/m3
A)3,4 B)7,8 C)14,6 D)6,8
2.Quyidagi jarayonlarning qaysi birida bajarilgan ish nolga teng?
A)Izoxorik B)izotermik C)adiabadik D)izobarik
3.Termodinamikaning 1-qonuni issiqlik jarayonlarida
..ning qo`llanilishidir.
A)Implusning saqlanish qonuni. B)energiyaning saqlanish qonuni C)Mendeleyev-Klapeyron tenglamasi D) Boyl-Marriot qonuni
4.Quyida keltirilgan munosabatlarning qaysi biri faqat izotermik jarayon uchun o`rinli?
A)Q=AU B)Q=AU+A C)AU=A D)Q=A
5.Termodinamikaning 1-qonuni adiabatik jarayon uchun qanday ko`rinishda yoziladi?
A)Q=AU+A B)Q=AU C)Q=A D)∆U
6.Balondagi massasi 1gr bo`lgan Geliy (He) gaziga 25 J issiqlik miqdori berilganda, uning temperaturasi qanchaga ortadi (K)?
A)25 B)16 C)8 D)6,01
7.Hajmi 1litr bo`lgan suvdagi molekulalar sonini toping µ=18*10-3 kg/mol, NA=6,025*1023 1/mol
A)2,3*1026ta B)2,8*1025ta C)3*1026ta D)3,3*1025ta
8.Hajmi v=500sm3 idishda t=170C harorati m=0,89grvodorod (µ=2*10-3kg/mol) bor. Gazning bosimini toping.
A)2MPa B)2,17MPa C)3,2MPa D)1MPa
9.3600Kmaksimal haroratda bosimi P=6 MPdan oshmasligi uchun ν=50mol gaz saqlanadigan ballonnighajmi qancha bo`lishi kerak?
A)25 l B)30 l C)20 l D)35 l
10.Massasi 16g bo`lgan gaz 1MPa va 1120C temperaturada v=1600 sm3 hajmni egallagan bo`lsa, gazning turi, ya`ni molyar massasi aniqlansin.
A)48*10-3kg/mol B)38*10-3kg/mol C)32*10-3kg/mol D)30*10-3
11.Harorati T=5500Cva bosimi P=150kPa bo`lgan gaz molekulalarning konsentratsiyasini toping.
A)3*1025m-3 B)2,5*1025m-3 C)2*1025 m D)1,5*1025m-3
12.Massasi 1*10-5 g bo`lgan suv tomchisida qancha molekula bor?
A)3,3*1017 B)4,3*1018 C)2,3*1018 D)5,3*1018
13.Og`zi tiqin bilan berkitilgan bo`sh shisha idish qish kuni ko`chadan issiq uyga olib kirildi. Birozdan so`ng tiqin shisha og`zidan chiqib ketadi. Nima uchun shunday?
14..Nima uchun temperatura ko`tarilishi bilan Broun harakatining jadalligi ortadi?
15.ssiq choyni tezroq sovutish uchun unga birdaniga qand tashlab 5min. kutish keakmi yoki 5min. keyin qand tashlab aralashtirish kerakmi?
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13) Sisha ichdagi bosim ortadi
14) Molukulalar harakati tezlashadi
15) 5 munitdan keyin qand tashlab aralashtirish kerak
Aim.uz
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