Students prepare two solutions, with citric acid and cream of tartar, and test the two solutions with baking soda to see which produces a greater amount of gas. Make a Prototype After students decide ...

Out of baking powder? It's going to be okay! Try one of these best baking powder substitutes that will work in a pinch.

In this activity: Students conduct a reaction with citric acid and baking soda in a universal indicator solution. The resulting chemical reaction produces a gas, causes a color change with an ...

1. Lemon juice and baking soda You can make a natural, acidic exfoliant by mixing lemon juice, which contains citric acid, and baking soda in a one-to-one ratio until they form a paste.

One common food that can trigger acid reflux is tomatoes. According to health experts at HealthCentral, this is because they are highly acidic, causing reflux to come up and irritate the digestive ...