Isomerization（汉字作答）______
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Sodium bisulfate（汉字作答）______
Ferroferric oxide （汉字作答）______
Choose the right name of K4[Fe(CN)6]
A. hexacyanoferrate (II) Potassium
B. Potassium hexacyanoferrate (II)
C. Potassium hexacyanoion (II)
D. Potassium hexacyanoferrate
Fe+2HCl---FeCl2+H2 belong to ()
A. Double displacement reaction
B. Combination reaction
C. Displacement reaction
D. Condensation reaction
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