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| Q. |
Sodium Carbonate is commonly known as - |
| A. | Baking Soda |
| B. | Washing Soda |
| C. | Caustic Soda |
| D. | Caustic Potash |
| Answer» B. Washing Soda | |
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Explanation: 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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