Question

Why coin do not get melt when we swallowed it ?as there is hcl in our stomach then also it will come next morning from our latterin, why it is happen?

Answer 1

Answer:

the coin is very tuff substance. it is base in nature but it won't react very much with Hydrochloric acid. it only reacts very little with the coin and do not dissolve it completely. so it comes out in the form of faeces