Calcium carbide and soapy water(must see!!!)

Calcium carbide and soapy water(must see!!!)

one piece of calcium carbide in a can of water , Bought 500 grams of calcium carbide for only 6 us dollars.

test Introduction to Chemistry

Introduction to ChemistryIntroduction to Chemistry

Self healing hydrogels and its industrial applications

Hydrogels are water-swollen, cross-linked polymeric structures produced by reactions of monomers or by hydrogen bonding. This hydrogels used in various applications .