Courtroom Me: If I throw sodium chloride in someone’s eye, is that against the law?
Judge: That would be assault
Me: Yes, I know its a salt but is it against the law?
There are no typos, this is a intended pun joke

The correct answer is c b c a d

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na