Forwarded from BEHRUZ || САЙФИЕВ||ЖАМОЛИДДИН || уґли
BEHRUZ || САЙФИЕВ||ЖАМОЛИДДИН || уґли
6-SINF.QO'LLANMA. @BehruzSayfiyev.pdf
ChatGpt da qilganman, Dastlabki qilganlarimda ozroq kamchiliklar bo'lishi mumkin, qo'l mehnati emas, 100% tog'ri deyolmayman
Forwarded from Farruxbek Muhammadsodiq
ODDIY_EFIRLAR_TRENAJORI (2).docx
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Oddiy efir va Fenollar
Tuzuvchi : Farruxbek Zokirov
Ma'lum bir qismida hato yoki kamchiliklar bo'lishi mumkin
Foydasi tegsa hursand bo'lamiz
Namangan,Uychi
Tuzuvchi : Farruxbek Zokirov
Ma'lum bir qismida hato yoki kamchiliklar bo'lishi mumkin
Foydasi tegsa hursand bo'lamiz
Namangan,Uychi
❤2
Forwarded from Maxmudov Azamat
1.1. Muayyan haroratda X tuzining 250 g 12% li eritmasini to‘yintirish uchun eritmaga 14 g X tuzi qo‘shildi. Ushbu haroratda X ning eruvchanlik koeffitsientini (g/100 g suv) aniqlang.
A) 25 B) 15 C) 20 D) 30
A) 25 B) 15 C) 20 D) 30
Forwarded from Maxmudov Azamat
1.2. Muayyan haroratda X tuzining 300 g 20% li eritmasini to‘yintirish uchun eritmaga 36 g X tuzi qo‘shildi. Ushbu haroratda X ning eruvchanlik koeffitsientini (g/100 g suv) aniqlang.
A) 30 B) 50 C) 25 D) 40
A) 30 B) 50 C) 25 D) 40
Forwarded from Maxmudov Azamat
2.1. 300 g 40% li A tuzining T₁ temperaturadagi to‘yingan eritmasiga ma’lum massadagi A tuzidan qo‘shildi. Tuz to‘liq erib ketguncha eritma T₂ temperaturagacha qizdirilganda 50% li eritma hosil bo‘ldi (T₂ < 100°C). Eritma harorati asta-sekinlik bilan T₁ gacha tushirildi. Eritma aralashtirilganda, m g tuz cho‘kmaga tushdi. m ning qiymatini aniqlang.
A) 50 B) 80 C) 60 D) 40
A) 50 B) 80 C) 60 D) 40
Forwarded from Maxmudov Azamat
2.1. 400 g 25% li A tuzining T₁ temperaturadagi to‘yingan eritmasiga ma’lum massadagi A tuzidan qo‘shildi. Tuz to‘liq erib ketguncha eritma T₂ temperaturagacha qizdirilganda 40% li eritma hosil bo‘ldi (T₂ < 100°C). Eritma harorati asta-sekinlik bilan T₁ gacha tushirildi. Eritma aralashtirilganda, m g tuz cho‘kmaga tushdi. m ning qiymatini aniqlang.
A) 120 B) 80 C) 60 D) 100
A) 120 B) 80 C) 60 D) 100
Forwarded from Maxmudov Azamat
4.1. 400 g 25% li tuz eritmasiga 100 g suv va 50 g tuz qo‘shilib, 100 g suv bug‘latildi. Hosil bo‘lgan eritma sovitilganda 50 g tuz cho‘kmaga tushdi. Oxirgi eritmaning foiz konsentratsiyasini (%) aniqlang.
A) 20 B) 30 C) 25 D) 35
A) 20 B) 30 C) 25 D) 35
Forwarded from Maxmudov Azamat
4.2. 500 g 20% li tuz eritmasiga 100 g suv va 50 g tuz qo‘shilib, 100 g suv bug‘latildi. Hosil bo‘lgan eritma sovitilganda 50 g tuz cho‘kmaga tushdi. Oxirgi eritmaning foiz konsentratsiyasini (%) aniqlang.
A) 25 B) 15 C) 30 D) 20
A) 25 B) 15 C) 30 D) 20
Forwarded from Maxmudov Azamat
5.1. 100 g 30% li eritma tayyorlash uchun osh tuzining 60% li va 20% li eritmalaridan qanday massada (g) aralashtirish kerak?
A) 25; 75 B) 40; 60 C) 30; 70 D) 50; 50
A) 25; 75 B) 40; 60 C) 30; 70 D) 50; 50
Forwarded from Maxmudov Azamat
5.2. 120 g 35% li eritma tayyorlash uchun osh tuzining 65% li va 25% li eritmalaridan qanday massada (g) aralashtirish kerak?
A) 40; 80 B) 30; 90 C) 50; 70 D) 60; 60
A) 40; 80 B) 30; 90 C) 50; 70 D) 60; 60
Forwarded from Maxmudov Azamat
5.3. 150 g 40% li eritma tayyorlash uchun osh tuzining 70% li va 25% li eritmalaridan qanday massada (g) aralashtirish kerak?
A) 60; 90 B) 75; 75 C) 50; 100 D) 40; 110
A) 60; 90 B) 75; 75 C) 50; 100 D) 40; 110
Forwarded from Maxmudov Azamat
6.1. 12,04·10²² dona oltingugurt(VI) oksid molekulasi qanday massadagi (g) suvda eritilganda 25% li sulfat kislota eritmasi hosil bo‘ladi?
A) 68,4 B) 78,4 C) 98 D) 58,8
A) 68,4 B) 78,4 C) 98 D) 58,8
Forwarded from Maxmudov Azamat
6.2. 18,06·10²² dona oltingugurt(VI) oksid molekulasi qanday massadagi (g) suvda eritilganda 30% li sulfat kislota eritmasi hosil bo‘ladi?
A) 88 B) 108 C) 98 D) 78
A) 88 B) 108 C) 98 D) 78
Forwarded from Maxmudov Azamat
6.3. 24,08·10²² dona oltingugurt(VI) oksid molekulasi suvda eritilganda 40% li sulfat kislota eritmasi hosil bo‘ldi. Hosil bo‘lgan eritmaning massasini (g) aniqlang.
A) 88 B) 98 C) 108 D) 78
A) 88 B) 98 C) 108 D) 78
Forwarded from Maxmudov Azamat
7.1. 100 g 14% li CuSO₄ eritmasiga 25 g CuSO₄·5H₂O kristallogidrati qo‘shildi. Olingan eritmaning konsentratsiyasini (%) hisoblang.
A) 20 B) 28 C) 24 D) 30
A) 20 B) 28 C) 24 D) 30
Forwarded from Maxmudov Azamat
7.2. 150 g 12% li CuSO₄ eritmasiga 50 g CuSO₄·5H₂O kristallogidrati qo‘shildi. Olingan eritmaning konsentratsiyasini (%) hisoblang.
A) 20 B) 30 C) 15 D) 25
A) 20 B) 30 C) 15 D) 25
Forwarded from Maxmudov Azamat
7.3. 100 g 13% li CuSO₄ eritmasiga 50 g CuSO₄·5H₂O kristallogidrati qo‘shildi. Olingan eritmaning konsentratsiyasini (%) hisoblang.
A) 24 B) 30 C) 35 D) 28
A) 24 B) 30 C) 35 D) 28