Baking soda is sodium bicarbonate, sometimes called bicarbonate of soda. Some people use it for brushing their teeth, for absorbing refrigerator odours or as an antacid for indigestion!
But we can also use baking soda to puff up bread and cake.
Things Required:
2 teaspoonfuls of baking soda
A glass of orange juice or lemonade
A glass of water
Directions:
Add 1 teaspoonful of baking soda to the glass of water. Add 1 teaspoonful of baking soda to the orange juice.
This Is What Happens:
Nothing happens in the glass of water.
In the glass with the orange juice, you get bubbles. You have made orange soda!
Science Behind It:
When you add an acid (orange juice) to the baking soda, you free the carbon dioxide of the baking soda, the bubbly gas.
Try adding baking soda to buttermilk, sour cream, yogurt, molasses, apple cider. They are all acidic and they will all bubble.
When baking soda is added to dough made with any of these or other acidic liquids, bubbles form and cause the dough to rise.
