
Temir
Authored by Gavhar Pardayeva
Chemistry
9th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temirning nisbiy atom massasi?
56
32
26
55
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temirni kim kashf qilgan?
D. I.Mendeleyev
Qadimdan ma'lum
Blek
Pristli
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qizil temirtosh formulasi?
FeO*2H2O
Fe3O4
FeO
Fe2O3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnitli temirtosh formulasi?
FeS
Fe3O4
Fe2O3
FeO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zang formulasini ko'rsating?
FeS2
Fe(OH)2
Fe3O4
Fe(OH)3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temirning tashqi elektron qavatida nechta toq elektron bor?
3
4
5
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qonda temir mavjud. Gemoglobinning bir molekulasida nechta temir ioni bo'ladi?
1
2
3
4
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