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Washing soda, also known as sodium carbonate or soda ash, is a white powder used in homes and manufacturing industries. In homes, washing soda is useful in removing stains, such as those from grease and oil, and softening hard water for laundering.


To make washing soda, clean a lidded jar, label it, bake baking soda for two hours, and store it in the jar. This 2 1/2-hour process requires an oven, a baking sheet, baking soda, a lidded jar, water, soap, an adhesive label, a marker, oven mitts and a large spoon.


The chemical name for washing soda, also called sodium carbonate, is Na2CO3. Another name for sodium carbonate is soda ash, which also has a pH of 11.6. This compound is white, odorless and soluble in water.


Washing soda is a compound of sodium, carbon and oxygen, bound together as sodium carbonate. A common source of sodium carbonate is the ashes of plants. Another source is sodium chloride, or table salt.


Baking soda is safe to eat and found in many common baked foods. According to HowStuffWorks, baking soda is also safe for ingestion through means other than baked goods.


To wash your hair with baking soda, make a paste using baking soda and water, wet your hair thoroughly, part it into four sections and rub the paste into your scalp as you apply it to the sections. Let it sit in your hair for several minutes, and then rinse it out.


Turn baking soda into washing soda by placing a few tablespoons of baking soda on a metal baking sheet and heating it in an oven at 200 degrees Fahrenheit for around an hour. After an hour, allow the washing soda to cool completely before using it.


Baking soda is appropriate for use in a washing machine, according to Arm & Hammer. Baking soda can be used to remove smells and stains from clothing or to clean the machine itself.


Soda is deemed to be safe to drink up to nine months after the expiration date assuming the container remains unopened, undamaged, and has been stored correctly. This is due to the number of additives and chemicals added to carbonated drinks, which specifically make them last for a very long time. D


Washing soda, which contains 100 percent sodium carbonate, should never be used as a substitute for baking soda, which contains 100 percent sodium bicarbonate. While both sodas can be used for laundry and cleaning purposes, sodium carbonate is a poisonous chemical that is not safe for human consumpt