Dissolve Gold

Aqua regia (königswasser in German) is a very corrosive liquid made from a mixture of nitric acid and hydrochloric acid (1:2 - 1:3). This chemical mixture is so corrosive that it can even dissolve gold, and that's what you'll learn about in this video. The aqua regia will nee ...more

One of the most famous and repeated chemistry experiments involves money. Some would say this is more of a trick than an experiment, but you can be the judge of that. No one can just turn pennies into silver or gold coins, but someone with a few chemicals can. So, if you want ...more

You've manage to get your hands on some ruthenium, and now you want to destroy the hard silvery-white metal of the transition series. Well, you're going to try all kinds of ways to dissolve this odd metal, but the only successful way to dissolve ruthenium is with a common hous ...more

Prevent infection by keeping your ear, nose, lip, tongue, navel, eyebrow, and other body piercings clean. Step 1 When you’re ready to get a piercing, be sure to consult the Association of Professional Piercers for a trained and licensed body artist. Step 2 Use jewelry that i ...more

In this tutorial, we learn how to make sodium acetate. First, pour a bottle of vinegar into a large pot on a stove. Next, add in baking soda slowly until it is completely dissolved into the vinegar. Stop adding the baking soda once the mixture doesn't bubble anymore. Now, turn ...more