A woman gave old and dull gold bangles to a goldsmith for polishing to restore their glitter.
Channel: Doubtnut
Date: 2020-01-26

A woman gave old and dull gold bangles to a goldsmith for polishing to restore their glitter. The goldsmith dipped the gold bangles in a particlular solution. The bangles sparkled like new but their weight was reduced drastically. Can you guess the solution used by the dishonest gold smith.?