"jab" > wrote in message ...
>I have been lurking around this group for a few weeks now and then. I used
>to like baking until my mom finally made me clean up afterwards. Haven't
>really baked since and that was over 40 years ago.
>
> This question may have been around in the past when I wasn't lurking, but
> there is something I always wanted to know. Why is baking SODA sold in a
> BOX and baking POWDER sold in a CAN?
>
> JAB

Chemistry - plain and simple.
Baking soda is not hydroscopic (does not absorb moisture from the
atmosphere).
Baking powder does and without proper packaging has the shelf life of a
pretzel in a beer garden.

Ken.