Hydrogen peroxide is a chemical compound that’s used for many purposes, from whitening teeth to cleaning small cuts and scrapes. Some people claim it can even cure cancer. The claim is based on ...

But since there are so many bacteria-banishing solutions available today, it can be hard to know which chemical is right for ...

Some chemical reactions change temperature, change color, produce a gas, or make a solid from two liquids. Try this reaction and see what it does! Pour 1 tablespoon of hydrogen peroxide into a cup.