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  1. Sodium Carbonate is commonly known as
    1. Baking Soda
    2. Washing Soda
    3. Caustic Soda
    4. Caustic Potash
Correct Option: B

Sodium carbonate (Na2CO3) is also known as washing soda, soda ash and soda crystals. It is a salt of carbonic acid, a chemical that produces a wide range of salts collectively known as carbonates. It can be used to remove stubborn stains from laundry.



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