CH-1796
Oxidation and reduction
Chemistry · Secondary 4 · Easy · Oxidation and reduction
Which reaction used to prepare a salt is also a redox reaction?
A. Zn + 2HCl → ZnCl₂ + H₂
B. ZnO + 2HCl → ZnCl₂ + H₂O
C. Zn(OH)₂ + 2HCl → ZnCl₂ + 2H₂O
D. ZnCO₃ + 2HCl → ZnCl₂ + H₂O + CO₂
A. Zn + 2HCl → ZnCl₂ + H₂
B. ZnO + 2HCl → ZnCl₂ + H₂O
C. Zn(OH)₂ + 2HCl → ZnCl₂ + 2H₂O
D. ZnCO₃ + 2HCl → ZnCl₂ + H₂O + CO₂
- A
- B
- C
- D
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.