acids dissolve many metals ... bases don't
there are also other indicators besides litmus
How can we prove that hydrochloric acid is an acid without using litmus paper?
3 answers
taste it - acids are sour.
of course, it may be toxic, but that is outside the scope of this paper ...
of course, it may be toxic, but that is outside the scope of this paper ...
How about using a pH meter?
1 answer