Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Battery acid from old cars, with a little help from a catalyst, can give plastic waste a new purpose, using it to drive the ...