Cool Science Page

Let's make mini "hoe". I started with a steel rod and then I made the blade by hammering. Then I sharped the blade and used an epoxy glue to bond it to a toothpick. To get the shine and the color of the toothpick, I used mineral oil and then coated with nail polish. Video

                This quick post shows you how to make cleaning agent for your home laboratory glassware. This will make you easy to clean your laboratory glassware rather than soap. It can also remove potassium permanganate stain Mix 30% hydrogen peroxide with concentrated hydrochloric acid for 1:1 ratio. Dilute the solution by adding water about 3:1 ratio. Use the solution to clean your glassware. It doesn't require to brush while cleaning. Warning : The solution contains acids and strong oxidizers.