Baking soda has natural whitening properties. It's a mild abrasive that can help scrub away surface stains on teeth.

Socks often lose their bright white ... baking soda and water, applying it directly to the stained area before washing. If possible, hang your socks outside to dry as the sun's ultraviolet rays ...

It exists in either a white crystalline or powdery solid form. Baking soda can be ... the paste can easily remove dirt from an object. Some people even brush their teeth with toothpaste that ...