
Kimyo 8-sinf
Authored by Davronbek Zobidov
Chemistry
8th Grade
Used 30+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Quyidagi moddalar anorganik moddalarning qaysi sinfiga kiradi: Na2O, BaO, CO2, Al2O3
Oksidlar
Asoslar
Kislotalar
Tuzlar
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Ikki negizli kislotalarni ko‘rsating.
H2S, H3PO4
H2SO4, HNO3
H2CO3, H2SiO3
H2S, H3AsO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Ushbu tuzning texnik nomini toping: NaHCO3
osh tuzi
ichimlik sodasi
soda
ohaktosh
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. XIX asrning 60-yillarida nechta kimyoviy element fanga ma’lum edi?
30
63
108
118
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Metallarga ham, metallmaslarga ham xos bo‘lgan xususiyatlarni namoyon qiluvchi elementlar qanday nomlanadi?
asl metallar
metalloidlar
yarim metallar
amfoter metallar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Ishqoriy metalldan boshlanib inert gazlar bilan tugaydigan gorizontal qator . . . deb ataladi.
davrlar
guruhlar
qatorlar
oilalar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Atom tuzilishining planetar modelini taklif etgan olim kim edi?
Edvard Franklend
Ernest Rezerford
Antuan Lauvaze
Yakobe Berselius
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