kimyo laboratoriya ishi daftari

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1 30 ii bob. metallmaslar toshkent viloyat angren shahar ______umumiy o`rta ta`lim maktabi 9 “ ” sinf o`quvchisi ___________________________ning kimyo fanidan laboratoriya ishi daftari fan o`qituvchisi : _______________________ sana_____________ laboratoriya mashg'ulotlari 1-laboratoriya ishi i. karbonatlar va gidrokarbonatlarning xossalari va bir-biriga aylanishi bilan tanishish yangi tayyorlangan 2-3 ml ohakli suv eritmasidan uglerod (iv)-oksidni o'tkazing. eritmadan uglerod (iv)-oksid o'tkazishni davom ettiring. tiniq eritmali probirkani qaynating. mustciqil xulosa uchun topshiriq: 1. ohakli suvdan uglerod (iv)-oksid o'tkazilganda u nima uchun loyqalanadi? 2. uglerod (iv)-oksid o'tkazish davom ettirilganda eritma nima uchun yana tiniq bo'lib qoladi? 3. bu eritma qizdirilganda nima uchun cho'kma hosil bo'lishini tushuntiring. 4. tegishli reaksiyalarning tenglamalarini molekular, ionli va qisqartirilgan ionli ko'rinishda yozing. ii. karbonat ioniga xos sifat reaksiya bir probirkaga ozroq bor, ikkinchisiga magniy karbonat soling. birinchi probirkaga 1-2 ml suyultirilgan xlorid kislota, ikkinchisiga shuncha suyultirilgan h2s04 quying. ikkala probirkaning og'zini gaz o'tkazgich nayi bor tiqinlar bilan berkiting, naylarning uchini ohakli …

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_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ sana_____________ 2-laboratoriya ishi tabiiy silikatlarning namunalari bilan tanishish 1. sizga berilgan tabiiy silikatlarning namunalarini ko'ring. ularning tashqi ko'rinishiga e'tibor bering va qattiqligini tekshirib ko'ring. mustaqil xulosa uchun topshiriq 1. jadval tuzing, o'z kuzatishlaringizni qayd qiling. 2. kuzatishlaringizga asoslanib, sizga berilgan minerallarni nomlang. № silikatning nomi formulasi massasi rangi agregat holati 1 2 3 4 5 6 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ sana_____________ 3-laboratoriya ishi shishaning turlari va ularning tarkibi bilan tanishish. «shisha va undan yasalgan mahsulotlar» to'plami bilan tanishish va ishlash sizga berilgan har xil turdagi shisha namunalari va shishadan yasalgan har xil buyumlarni ko'rib chiqing. mustaqil xulosa uchun topshiriq 1. sizga berilgan namunalar shishaning qaysi turiga kirishini aniqlang. 2. siz ko'rib chiqqan buyumlarni tayyorlashda shishaning qanday o'ziga xos xossalaridan foydalanilganligini izohlab bering. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ sana_____________ 4-laboratoriya ishi metallar namunalarini ko'zdan kechirish 1. berilgan metall namunalarini ko'rib chiqing va ularning nomini ayting. 2. sizga berilgan metallarning suyuqlanish harorati va qattiqligini ma'lumotnoma jadvalidan foydalanib aniqlang. 3. metallarning issiqlik o'tkazuvchanligini taqqoslash uchun temir va misdan yasalgan ikkita bir xil plastinka olib, ikkala plastinkaning bir uchiga parafin bo'lagini joylashtiring. so'ngra bu plastinkalarning ikkinchi uchini gorelka alangasiga tuting. kuzatish asosida qaysi metallning issiqlik o'tkazuvchanligi yuqori ekanligini aniqlang. mustaqil xulosa uchun topshiriq 1. sizga berilgan metall namunalarini tekshirib, ularning nomini ayting. 2. tekshirib ko'rilgan metallarning qattiqligi, suyuqlanish harorati va issiqlik o'tkazuvchanligini ortib borish tartibida, bir qatorga yozing. № metallning nomi formulasi atom massasi tc tq rangi agregat holati 1 temir 2 mis 3 alyuminiy 4 rux sana_____________ 5-laboratoriya ishi qotishmalaming namunalari bilan tanishish 1. sizga berilgan qotishmalar namunalarini ko'rib chiqing. mustaqil xulosa uchun topshiriq 1. berilgan namunalarning qattiqligi va plastikligini tekshirib ko'ring. 2. ularning rangiga e'tibor bering. № qotishmaning …

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___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ sana_____________ 6-laboratoriya ishi tuzlar eritmalari bilan metallarning o'zaro ta'siri 1. birinchi probirkaga kumush (i)-nitrat, ikkinchi probirkaga mis (il)-sulfat, uchinchisiga qo'rg'oshin (il)-nitrat eritmasidan 2-3 ml quying. birinchi probirkaga mis simi, ikkinchisiga temir qipiqlari, uchinchisiga mis qipiqlaridan soling. 2. har bir probirkada qanday moddalar hosil bo'ldi? tegishli reaksiyalarning molekular, to'la va qisqa ionli tenglamalarini yozing. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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1 30 ii bob. metallmaslar toshkent viloyat angren shahar ______umumiy o`rta ta`lim maktabi 9 “ ” sinf o`quvchisi ___________________________ning kimyo fanidan laboratoriya ishi daftari fan o`qituvchisi : _______________________ sana_____________ laboratoriya mashg'ulotlari 1-laboratoriya ishi i. karbonatlar va gidrokarbonatlarning xossalari va bir-biriga aylanishi bilan tanishish yangi tayyorlangan 2-3 ml ohakli suv eritmasidan uglerod (iv)-oksidni o'tkazing. eritmadan uglerod (iv)-oksid o'tkazishni davom ettiring. tiniq eritmali probirkani qaynating. mustciqil xulosa uchun topshiriq: 1. ohakli suvdan uglerod (iv)-oksid o'tkazilganda u nima uchun loyqalanadi? 2. uglerod (iv)-oksid o'tkazish davom ettirilganda eritma nima uchun yana tiniq bo'lib qoladi? 3. bu eritma qizdirilganda nima uchun...

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