What have you every done an experiment and it exploded? if not, what is the craziest reactions you have witnessed???:D

Question: What have you every done an experiment and it exploded? if not, what is the craziest reactions you have witnessed???:D
- Keywords:
  craziest,
  experiment,
  exploded,
  reactions,
  research,
  science,
  witnessed
Asked by grace151997 to Jack on 15 Mar 2012.
- Jack Snape answered on 15 Mar 2012:
  
  I’ve never made anything explode… I don’t really play around with chemicals any more. In school chemistry we used to put sodium into hydrochloric acid and watch it fizz away!

Question: What have you every done an experiment and it exploded? if not, what is the craziest reactions you have witnessed???:D