Which of the following can undergo a chemical reaction ?
A. MgSO4 + Zn
B. ZnSO4 + Fe
C. CaSO4 + Pb
D. CuSO4 + Al
Answer:D
Which of the following can undergo a chemical reaction ?
A. MgSO4 + Zn B. ZnSO4 + Fe C. CaSO4 + Pb D. CuSO4 + Al