Re; dead battery

What chemicals would I find in a dead AA Coppertop battery?
I figure that, before discarding it, I might as well see
if it has anything to contribute to my "chemsitry set".

Not this: http://en.wikipedia.org/wiki/Zinc-carbon_battery
but this: http://en.wikipedia.org/wiki/Alkaline_battery

Are there any simple experiments one can do with the
contents using household chemicals?

Why discard it when you can recharge it?
http://www.afrotechmods.com/reallycheap/batteries/batts.htm

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