So he built copper candles using a common copper ... just like the old burner in your childhood chemistry set. The flame isn’t very visible, but a little salt in the fuel can help make the ...

Next we need to get the flame going to heat up the acid ... Here are some salt crystals that we made earlier. Now, although copper sulfate is a salt, it is not edible. In fact, copper sulfate ...

Next we need to get the flame going to heat up the acid ... Here are some salt crystals that we made earlier. Now, although copper sulfate is a salt, it is not edible. In fact, copper sulfate ...