4-sinf tabiatshunoslik fanidan test savollari
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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
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?
13) Sisha ichdagi bosim ortadi 14) Molukulalar harakati tezlashadi 15) 5 munitdan keyin qand tashlab aralashtirish kerak Aim.uz Yüklə 33,32 Kb. Dostları ilə paylaş:
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