The adhesion between the water and glass molecules is stronger than the cohesion between the water molecules. Mercury, on the other hand, forms a convex meniscus. ... That's because mercury atoms are more attracted to each other by cohesion than they are to glass by adhesion
Biological washing powders contain protease and lipase to remove protein stains and fat/grease from clothes. The enzymes break down proteins or fats on the fabric, forming water-soluble substances that can be washed away.