Fe3+ катионын анықтайтын сапалық реакцияны таңда:

151-225 ХИМИЯ

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Professional Development
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Easy
Nurasyl Rakhman
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75 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
K4 [Fe (CN)6];
HCI;
H2SO4;
NaOH;
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fe3+ катионын анықтайтын сапалық реакцияны таңда:
4FeCl3 + 3K4 [Fe (CN)6] Fe4[Fe(CN3)3] +12KCl;
FeCl3 + 3KJ FeJ3 + 3KCl;
2FeCl3 + 3H2SO4 Fe2 (SO4)3 + 6HCl;
2FeCl3 + 3(NH4)2 C2O4 Fe2(C2O4)3 + +6NH4Cl;
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қышқылдық - сiлтiлiк жiктелу бойынша УI- аналитикалық топтың реагентi.
25% NH4OH (артыкш ;
HCl;
MaOH + H2O2;
H2SO4;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu2+ катионын анықтайтын реагенттi таңда:
K4 [Fe (CN)6];
HCI;
Na2S2O3;
Ag NO3;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cu2 катионын анықтайтын сапалық реакцияны таңда:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
II -топ аниондарының топтық реагентi:
BaCI2;
AgNO3;
NH4OH;
HCI;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
II -топтың қайсы анионыңда барий тұзы қышқылда ерiмейдi?
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