12
19. Ko’pincha tarkibida temir saqlovchi dorilar nima maqsadda ishlatiladi va temir
saqlovchi qanday dorilar nomini bilasiz?
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20.Oltin bilan tilloni farqlab bering?
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21.Temir atomining oxirgi d elektronlarini kvant sonlarda
ifodalang._______________________________________________________________
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№
1
2
3
4
5
6
7
8
9
10 11 12 13
14 15
Javob
T/J
8- Nazorat ishi
Mavzu: Cho’yan va po’lat.Kimyoviy ishlab chiqarish.
Kimyoviy reaksiyalarning
kimyoviy ishlab chiqarishdagi ahamiyati. Atmosfera va gidrosferani muhofoza qilish.
Nazorat shakli:Yozma ish.
I-variant.
1. Ikki valentli metall oksidining 4 g ni eritish uchun 36,5g 40% li xlorid kislota eritmasi
sarf landi. Bu qaysi element oksidi edi?.
2.Domna pechida sodir bo’ladigan kimyoviy jarayonlarni yozing.
3. H3PO3 molekulasining markaziy zarrachasiga mos elektron
konfiguratsiyasini
toping.
Kompetentlikni aniqlash uchun materiallar:
4 .Atrof muhitni tozaligini saqlash uchun nimalarga e’tibor berasiz?.
5.Po’latni qanday turlarini bilasiz?
II-variant.
1. X, Y, Z elementlar bir davrda ketma-ket joylashgan. Ushbu element atomlari 3X, 2Y,
1Z miqdoriy nisbatda reaksiya davomida berishi mumkin boʻlgan maksimal
elektronlar
soni yigʻindisi 10 ga teng boʻlsa, Z element joylashgan guruh tartib raqami
qanday
boʻladi?
2. 80 gramm 20% li mis (II)-sulfat tuzi eritmasi bilan temir to‘liq reaksiyaga kirishganda
necha gramm mis hosil bo‘ladi?
3.HClO
4
molekulasining markaziy zarrachasiga mos elektron konfiguratsiyasini toping.
Kompetentlikni aniqlash uchun materiallar:
4.Qishloq xo’jaligi ekinlari zararkunandalariga qarshi kurashish uchun pestitsidlardan
foydalanish shartmi?
5.Siz plastmassa chiqindilari bilan atrof muhitga zarar keltirmaslik uchun nima qilgan
bo’lardingiz?
13
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