kimyo fanidan nazorat savollari va amaliy ish daftari

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xorazm viloyati shovot tumani ____________ maktabining 7 – “ ” sinf o`quvchisi ________________________________ning kimyo fanidan nazorat savollari va amaliy ish daftari 2022-2023 1 – amaliy mashg`ulot. mavzu: kimyo xonasidagi jihozlar hamda moddalar bilan ishlashda xavfsizlik qoidalari bilan tanishish. darsning maqsadi: kimyo honasida jihozlar va reaktivlar bilan ishlashdagi xavsizlik qoidalari bilan tanishish. jihozlardan foydalanish bo`yicha ko`nikmalarga ega bo`lish. ko`ngilsiz hodisalarni oldini olish uchun xafvsizlik qoidalariga rioya qilish . jihozlar va reaktivlar: stakanlar, probirka, qisqichlar, plastik taglik, quruq yonilg`i, plita, bug`latish kosachasi, pipetka, gurgut, etil spirit, distirlangan suv. 1. ish bajarish tartibini puxta o‘zlashtirmasdan va tajriba o‘tkazish uchun asboblarning to‘g‘ri yig‘ilganligiga ishonch hosil qilmasdan tajribani boshlamaslik kerak. 2. moddalarni bevosita hidlash, ushlash, ta’mini totish mutlaqo mumkin emas. 3. тajribalarni iloji boricha mo‘rili shkafda o‘tkazish kerak. 4. тajriba davomida termometr sinib qolsa undagi simobni maxsus usullar bilan tezda yig‘ishtirib olish va simob to‘kilgan joyga oltingugurt sepish kerak. 5. natriy metalini kerosin ostida saqlash …

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ksiya olib borilayotgan va qizdirilayotgan idishlarga engashib qarash mumkin emas. 12. kislotalarni suyultirishda kislotani oz-ozdan idish devori bo‘ylab suvga quyish kerak. 13. konsentrlangan kislota va ishqorlarni kimyoviy pipetka bilan o‘lchash man etiladi. ularni faqat tomizgich yordamida o‘lchab olish lozim. 14. kislotalar saqlanadigan idishlarni to‘kilmaydigan va sachramaydigan qilib ushlash kerak. 15. portlovchi aralashma hosil qilish xavfi bor moddalar bilan ishlashda alohida ehtiyot choralarini ko‘rish lozim. 16. ehtiyotsizlik kiyim-kechaklarga, ko‘zga, teriga zarar va jarohat yetkazishi mumkin. shuning uchun nojo‘ya harakatlar qilmaslik, moddalar bilan hazillashmaslik lozim. 17. тajribalar tugagach, gaz, elektr va suv tarmoqlarini berkitish kerak. asboblarni o‘chirish kerak. 18. ish joyi doimo toza va ozoda saqlanishini ta’minlash lozim. xulosa.___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ sana ball imzo yodda tuting: 2 – amaliy mashg`ulot. mavzu: laboratoriya shtativi, quruq yonilg‘i va elektr isitgich jihozlari, spirt lampasi bilan ishlash usullari, alanganing tuzilishini o‘rganish. ishdan maq

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sad: quruq yoqilg`i bilan ishlash qoidalarini bilish laboratoriya jihozlarini nomlanishi, ishlatilishi, tuzilishi, ularni yig`ish, foydalanish, alangani tuzilishi bo`yicha malaka xosil qilish. jihozlar va rektivlar: shtativ, va uning qiaimlari o`lchov stakanlari, probirkalar quruq yonilg`i keramik piltka, sham, bug`latish kosachasu, gurgut shisha plastinkalar, 15-20 sm uzunlikdagi ingichka cho`plar. ishning borishi: __________________________________________________ ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ xulosa: : ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ sana ball imzo 3 – amaliy mashg`ulot. mavzu: ifloslangan osh tuzini tozalash. ishdan maqsad: suvda eruvchan qattiq moddani suvda erimaydigan qo`shimchalardan tozalash usulidan biri bilan tanishish. filtr qog`oz tayyorlash suyuqliklarni filtrlash va eritmani bug`latish yo`li bilab tuz ajiratib olishga oid malaka xosil qilish. kerakli asboblar va reaktivlar: tozalanmagan osh tuzi 100 g

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distrlangan suv 100 ml, probirkalar, chinni kosacha, shisha tayoqcha, voronka, filtr qog`ozi, qaychi, quruq yonilg`i, temir shtativ. ishning borishi: ____________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ xulosa: ______________________________________________________________________________________ __________

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xorazm viloyati shovot tumani ____________ maktabining 7 – “ ” sinf o`quvchisi ________________________________ning kimyo fanidan nazorat savollari va amaliy ish daftari 2022-2023 1 – amaliy mashg`ulot. mavzu: kimyo xonasidagi jihozlar hamda moddalar bilan ishlashda xavfsizlik qoidalari bilan tanishish. darsning maqsadi: kimyo honasida jihozlar va reaktivlar bilan ishlashdagi xavsizlik qoidalari bilan tanishish. jihozlardan foydalanish bo`yicha ko`nikmalarga ega bo`lish. ko`ngilsiz hodisalarni oldini olish uchun xafvsizlik qoidalariga rioya qilish . jihozlar va reaktivlar: stakanlar, probirka, qisqichlar, plastik taglik, quruq yonilg`i, plita, bug`latish kosachasi, pipetka, gurgut, etil spirit, distirlangan suv. 1. ish bajarish tartibini puxta o‘zlashtirmasdan va tajriba o‘tkazish uchun as...

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