Re: sodium hydroxide Vs carbonate

farooq_w_at_hotmail.com
Date: 01/29/05 

Date: 28 Jan 2005 21:51:31 -0800

y2kBug wrote:
> Three days a go I bought 500g sodium Hydroxide and 500g sodium
> carbonate un-branded
>
> now i can't tel which is which, would someone tell simple way to
> identify them
>
> thankss
>
> y2kbug

In addition to the acid test (add vinegar, other acids may generate
much heat), you can add a small piece of aliminium foil to the
saturated solutions of both. The solution in which Al begins to fizz
away is of sodium hydroxide.