Sodium Bicarbonate Uses. Some of the physical and chemical properties of sodium bicarbonate have useful applications. Baking soda's alkalinity causes it to react with acids. This property makes sodium bicarbonate useful for baking, cleaning and deodorizing.

Sodium Carbonet uses-
(1)Making bread ,cakes ,etc(2)Fire extinguishers(3)Remove acidity of the stomach(4)Used of bleaching agent(5)kill germ or bacteria

Chemical Property of Baking Soda

Baking soda, also known as sodium bicarbonate (NaHCO3), is a white crystalline powder with various chemical properties that make it a versatile compound. These properties are primarily due to the presence of the bicarbonate ion (HCO3-) in its structure. Let's delve into the chemical properties of baking soda in detail:

1. Acid-Base Properties:
- Baking soda is amphoteric, meaning it can act as both an acid and a base depending on the chemical reaction it is involved in.
- In the presence of an acid, such as vinegar or lemon juice, baking soda undergoes a neutralization reaction, releasing carbon dioxide gas (CO2), water (H2O), and a salt.
- In the presence of a base, baking soda can act as a weak acid, donating a hydrogen ion (H+) to the base and forming water and a salt.

2. Decomposition:
- When exposed to heat, baking soda undergoes decomposition, a chemical reaction in which it breaks down into other substances.
- The decomposition of baking soda occurs at temperatures above 50°C (122°F) and results in the release of carbon dioxide gas, water vapor, and sodium carbonate (Na2CO3).
- This process is commonly exploited in baking, where the carbon dioxide produced during decomposition causes dough to rise.

3. Buffering Agent:
- Baking soda acts as a buffering agent, helping to maintain the pH balance of solutions.
- It can neutralize excess acids or bases, thereby stabilizing the pH and preventing large fluctuations in acidity or alkalinity.
- This property makes baking soda useful in various applications, such as in cooking, cleaning, and personal care products.

4. Reducing Agent:
- Baking soda can function as a reducing agent, meaning it donates electrons to another substance during a chemical reaction.
- In the presence of heat, baking soda readily decomposes to release carbon dioxide and forms sodium carbonate, which can act as a reducing agent in certain reactions.

5. Fire Extinguisher:
- Baking soda is commonly used as a fire extinguisher due to its chemical properties.
- When heated, baking soda decomposes into carbon dioxide gas, which helps to smother the flames by displacing oxygen, thereby extinguishing small fires.

In conclusion, baking soda possesses several chemical properties, such as its acid-base nature, decomposition upon heating, buffering capacity, reducing abilities, and fire extinguishing capabilities. These properties contribute to its wide range of applications in various fields.