How do activated charcoal water filters work

Carbon filtering is a method of filtering that uses a bed of activated carbon to remove contaminants and impurities, using chemical adsorption. ... Active charcoal carbon filters are most effective at removing chlorine, particles such as sediment, volatile organic compounds (VOCs), taste and odor from water.

if you mean hydrogen and oxygen then water is the product

b) nuclear ive learned that in a pedtrodic table