FeS2 - это не
Для тех , кто сдаёт ЕГЭ ( неорганика) - ! до степени окисления!

Quiz
•
Chemistry
•
11th Grade
•
Medium
НАТАЛЬЯ ЛИТВИНОВА
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
поташ
железный колчедан
пирит
сульфид железа
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
бертолетова соль - это соль калия
перхлорат
хлорат
гипохлорит
хлорит
хлорид
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fe2O3 - это
гематит
магнетит
железная окалина
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кальцинированная сода -
Na2CO3
NaHCO3
CaCO3
Ca(HCO3)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
FeCl2 -
хлористое железо
хлорное железо
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
формула корунда
SiC
Al2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула нашатыря
NH4Cl
NH3* H2O
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