Металдар 9-сынып
Quiz
•
Chemistry
•
9th Grade
•
Hard
Дилдора Ергешова
Used 11+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Кальций қосылысы доломиттың формуласын көрсетіңіз:
Ca3 (PO4)2
CaCO3•MgCO3
CaCO3.
CaF2
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Кальцийдың жәй заттармен әрекеттесуі
Ca + H2 → CaH2
Ca+H2O→Ca(OH)2+H2
Ca+2HCl→CaCl2+H2
CaO+H2O→Ca(OH)2
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Сілтілік жер металдар қатары
Li, Na, K, Rb, Cs, Fr
Be, Mg, Ca, Sr, Ba, Ra
B, C, N, O, F, Cl
Al, Si, P, S, Ne, Ar
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Кальцийдың күрделі заттармен әрекеттесуі:
Ca + Cl2→CaCl2
Ca + H2→CaH2
Ca+H2O→Ca(OH)2+H2
CaO+H2O→Ca(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Флюориттің формуласын көрсетіңіз:
MgCO3
CaCO3
Ca3(PO4)2
CaF2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сөндірілмеген және сөндірілген әктің формуласы
СаF2 және Са3(PО)4
СаО және Са(ОН)2
СаО және СаСО3
СаСО3 және Са(ОН)2
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