Baking Soda Chemical Name, Formula, Use and Properties

Baking soda, also known as sodium bicarbonate, is a white crystalline powder commonly used in baking as a leavening agent. When it is mixed with vinegar or lemon juice or acidic ingredients, it produces carbon dioxide gas, which causes the dough or batter to rise and becomes light and fluffy. 

Baking soda has alkaline properties and acts as a cleaning agent, is considered safe for consumption in moderate amounts, and is widely available in grocery stores and online.

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Baking Soda Formula

The chemical formula for baking soda is NaHCO3, which refers to its molecular structure. It consists of one sodium atom (Na), one hydrogen atom (H), one carbon atom (C), and three oxygen atoms (O). 

Baking Soda Chemical Name, Formula, Use and Properties

The arrangement of these atoms in the molecule gives baking soda its unique properties, such as that it reacts with an acid to produce carbon dioxide gas.

Uses of Baking Soda

1. It is used as a leavening agent for making cakes, bread, and other baked goods.

2. It is used to clean a variety of surfaces, such as sinks, countertops, and appliances.

3. It is also used in deodorizing as it absorbs unpleasant odors in fridges, garbage cans, and shoes.

4. It is used in personal care products.

5. It is used in fire extinguishers. And it helps to extinguish small fires.

6. Baking soda can be used in acid indigestion by neutralizing stomach acid.

7. It helps reduce swelling and itching and a paste made of water can be applied to insect bites and stings.

8. It is used as a drain cleaner mixed with vinegar and pouring this mixture down the drain removes blockages.

9. It is used in laundry as a natural and effective laundry booster and fabric softener.

Baking Soda Properties 

Baking soda, also known as sodium bicarbonate. Both chemical and physical properties are as follows.

Chemical Properties 

1. Neutralizing Acids: Baking soda has alkaline properties, which means it can neutralize acids.

2. Reactivity: Baking soda reacts with acidic ingredients like vinegar or lemon juice to produce carbon dioxide gas.

3. Decomposition: It decomposes at high temperatures, releasing carbon dioxide gas, which helps in extinguishing small fires.

Physical Properties

1. Appearance: It is a white, crystalline, and odorless powder.

2. Solubility: It is soluble in water, and becomes more soluble at higher temperatures.

3. Density: 2.2 g/cm3.

4. Melting point: 50 °C (122 °F).

5. Abrasiveness: Baking soda is a mild abrasive and can be used to remove stains and grime from surfaces without scratching them.


Baking soda, also known as sodium bicarbonate, is a versatile substance with both chemical and physical properties. It is commonly used in baking, cleaning, and many other applications because of its unique properties such as neutralizing acids, reactivity with acidic ingredients, and being mildly abrasive. It has a white, crystalline form, and is soluble in water, and tastes slightly salty.


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