Kirti kept a metal spoon in a glass jar filled with pickle for a few days. She observed there were holes in the spoon. What could be the reason?

3 answers

acid
Metal reacts with acid present in pickle to form salt hence, metal gets dissolved.
Since the spoon is made of metal, it reacts with acid present in the pickle to form salt hence, the metal gets dissolved and holes are formed.
Metal + Acid = Salt.