Introduction: BAKING SODA VS. BAKING POWDER

Picture of BAKING SODA VS. BAKING POWDER


Baking soda is sodium bicarbonate(NaHCO3) sometimes called bicarbonate of soda. Some people use it for brushing their teeth, for absorbing refrigerator odors, or as an antacid for ingestion! Baking soda is an alkali (or base), opposite of an acid. When it combines with an acid, it produces carbon dioxide (bubbles).

 Baking powder is a combination of baking soda and an acid. When you add baking powder to water or milk, the alkali and the acid react with one another and produce carbon dioxide bubbles.

Molecular Formula:NaHCO3+ CH3COOH!NaCH3COO-+ H2CO3!H2O+ CO2

Step 1: BAKING SODA VS. BAKING POWDER

Picture of BAKING SODA VS. BAKING POWDER


For the experiment, you will need the following:
Step 1:
Water
Baking soda
Orange juice or lemonade (optional other foods, buttermilk, sour cream,
yogurt, molasses, apple cider, regular milk)
1 Teaspoon
Graduated Cylinder
Baking Powder

Step 2: BAKING SODA VS. BAKING POWDER

Picture of BAKING SODA VS. BAKING POWDER

For step 1, you will need the following supplies:
Water
Baking Soda
Lemonade or Orange Juice

Add 1 teaspoon of baking soda to 100 mL water and 1 teaspoon of baking soda to 100 mL orange juice and to other foods if being used.
When an acid and baking soda are mixed, carbon dioxide (bubbly gas) is formed.
Describe what happens

Step 3: Baking Soda Vs Baking Powder

Picture of Baking Soda Vs Baking Powder

For the following step, you will need:
water
½ tsp baking soda
½ tsp baking powder

Add the baking powder to 50 mL of water. Add the baking soda to 50 mL of water
Describe what happens. ___________________________________________

Step 4: Baking Soda Vs Baking Powder

Picture of Baking Soda Vs Baking Powder

In this step you will need the following:
orange or lemon juice
½ tsp baking powder
½ tsp baking soda

Add the baking powder to 50 mL of sour milk, orange or lemon juice and baking soda to
another 50 mL of the same acidic food.

Explain the results. __________________________________________

Step 5: Baking Powder Vs Baking Soda

Picture of Baking Powder Vs Baking Soda

Please answer the following questions after completing the experiment:

1. When do you get bubbly action, when you added baking soda to the water or
to the orange juice?
2. Which gas was being released in the above question?
3. What is baking powder a combination of?
4. Why is baking soda or powder used instead of yeast in some recipes?
5. What is the purpose of using baking soda or baking powder?

Comments

sudoukpong (author)2016-07-05

co2

rickharris (author)2014-04-22

Baking powder is baking sods with tartaric acid added (a powder) when a liquid is added the acid and Sodium bicarbonate react.

Dorothy Law (author)rickharris2015-12-28

thanks Rick! I forgot the name of the additive when explaining to my carer.

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