Many of us have a bottle of hydrogen peroxide at home. For decades, it was a staple in first aid kits, and even though its ...

Hydrogen peroxide – the same stuff you can pick up ... At concentrations of about 30%, it’s perfect for etching PCB boards, and at even higher concentrations – about 70% – it can be ...

Since catalase is not found on the surface of human skin, hydrogen peroxide only bubbles on broken skin. Those bubbles are a reaction that releases oxygen gas. There are many uses for hydrogen ...

To Conduct Demonstration: Pour 125mL of 30% hydrogen peroxide into a tall cylinder containing 100mL of soap solution. Carefully add 50mL saturated KI solution to the cylinder. The reaction proceeds ...

60C works very well. Add 30mL of 30% hydrogen peroxide with stirring. Point out that the reaction is proceeding very slowly if at all (no gas bubbles visible). Pour 50mL of 0.4M cobalt chloride ...