Trắc nghiệm KHTN 8 kết nối Bài 11 Muối

A A. \(\text{FeCl}_3\) B B. \(\text{ZnSO}_4\) C C. \(\text{CuCl}_2\) D D. \(\text{AgNO}_3\)

A A. \(\text{CuO} + 2\text{HCl} \rightarrow \text{CuCl}_2 + \text{H}_2\text{O}\) B B. \(\text{Zn} + 2\text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2\) C C. \(\text{Na}_2\text{CO}_3 + 2\text{HCl} \rightarrow 2\text{NaCl} + \text{H}_2\text{O} + \text{CO}_2\) D D. \(\text{AgNO}_3 + \text{NaCl} \rightarrow \text{AgCl} + \text{NaNO}_3\)

A A. \(\text{CaCO}_3 \xrightarrow{\Delta} \text{CaO} + \text{CO}_2\) B B. \(\text{ZnCO}_3 \xrightarrow{\Delta} \text{ZnO} + \text{CO}_2\) C C. \(\text{Ag}_2\text{CO}_3 \xrightarrow{\Delta} \text{Ag} + \text{CO}_2\) D D. \(\text{CuCO}_3 \xrightarrow{\Delta} \text{CuO} + \text{CO}_2\)

A A. Sắt(II) sunfat B B. Sắt(III) sunfat C C. Sắt(II) sunfit D D. Sắt(III) sunfit

A A. \(\text{NaOH}\) B B. \(\text{CuSO}_4\) C C. \(\text{CaCO}_3\) D D. \(\text{AgCl}\)

A A. \(\text{NaCl}\) B B. \(\text{Na}_2\text{SO}_4\) C C. \(\text{CH}_3\text{COONa}\) D D. \(\text{NH}_4\text{Cl}\)

A A. Gồm cation kim loại (hoặc ion amoni \(\text{NH}_4^+\)) và anion gốc axit. B B. Gồm nguyên tử kim loại và nguyên tử oxi. C C. Gồm nguyên tử hiđro và anion gốc axit. D D. Gồm cation kim loại và nhóm hiđroxit \(\text{OH}^-\).

A A. \(\text{Mg} + 2\text{HCl} \rightarrow \text{MgCl}_2 + \text{H}_2\) B B. \(\text{Na}_2\text{O} + \text{H}_2\text{O} \rightarrow 2\text{NaOH}\) C C. \(\text{CaO} + 2\text{HCl} \rightarrow \text{CaCl}_2 + \text{H}_2\text{O}\) D D. \(\text{Fe}_2\text{(SO}_4\text{)}_3 + 6\text{KOH} \rightarrow 2\text{Fe(OH)}_3\downarrow + 3\text{K}_2\text{SO}_4\)

A A. \(\text{H}_2\text{SO}_4, \text{HCl}\) B B. \(\text{NaOH}, \text{KOH}\) C C. \(\text{NaCl}, \text{CuSO}_4\) D D. \(\text{H}_2\text{SO}_4, \text{NaOH}\)

A A. \(\text{Na}_2\text{SO}_4\) B B. \(\text{NaHCO}_3\) C C. \(\text{KNO}_3\) D D. \(\text{CaCl}_2\)

A A. \(\text{KNO}_3\) B B. \(\text{Na}_2\text{SO}_4\) C C. \(\text{NaCl}\) D D. \(\text{Na}_2\text{CO}_3\)

A A. \(\text{Cu} + \text{H}_2\text{SO}_4 \rightarrow \text{CuSO}_4 + \text{H}_2\) B B. \(\text{CuO} + \text{H}_2\text{SO}_4 \rightarrow \text{CuSO}_4 + \text{H}_2\text{O}\) C C. \(\text{Cu(OH)}_2 + \text{H}_2\text{SO}_4 \rightarrow \text{CuSO}_4 + 2\text{H}_2\text{O}\) D D. Cả ba phản ứng trên.

A A. \(\text{Na}_2\text{CO}_3\) B B. \(\text{K}_2\text{CO}_3\) C C. \(\text{CaCO}_3\) D D. \(\text{NH}_4\)_2\text{CO}_3\)

A A. \(M_x A_y\) với M là kim loại, A là gốc axit không chứa \(\text{H}^+\). B B. \(M_x (OH)_y\) C C. \(H_x A_y\) D D. \(M(OH)_x\)

A A. Dung dịch NaOH B B. Dung dịch HCl C C. Dung dịch \(\text{BaCl}_2\) có axit hóa D D. Dung dịch \(\text{AgNO}_3\)