[chiny4real]

if manganese is a true catalyst,it should be possible to recover it and use it again.Describe an experiment that u could do or use to verify this.pls i need help here.thanx

[jdurg]

Here's a real simple one.  Get some hydrogen peroxide and put some manganese metal, or other manganese compounds, into the peroxide.  You'll see a very fast reaction, and when you're done you can get all the manganese right back.