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ilovesongjoongki135
2 năm trước
Cho các muối sau: Ca(HCO3)2; K2CO3; MgSO3; BaSO4; FeS; CuSO4; NaHCO3. Có bao nhiêu muối tác dụng với dung dịch Ca(OH)2? * 6 5 4 3 Cho các chất sau: NaOH; KOH; Ca(OH)2; Fe(OH)3; Mg(OH)2; Ba(OH)2. Số chất tác dụng với Al2O3 là * 6 5 3 4 Có các dung dịch Na2CO3, BaCl2, NaHCO3, H2SO4, NaOH. Cho các chất lần lượt tác dụng với nhau từng đôi một . Có bao nhiêu trường hợp có phản ứng xảy ra? * 5 6 4 7 Cho các chất sau: Fe; CaCO3; MgO; KOH; BaCl2. Có bao nhiêu chất tác dụng với dung dịch NaHSO4? * 3 4 2 5 Cho các dung dịch CuSO4, FeSO4, MgSO4, AgNO3 và các kim loại Cu, Fe, Mg, Ag. Số cặp chất (kim loại và muối) phản ứng được với nhau là * 6 8 7 5 Cho các muối sau: CaCO3; K2CO3; MgSO3; BaSO4; FeS; CuS; NaHCO3. Có bao nhiêu muối tác dụng với dung dịch HCl? * 6 5 4 7
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