What is baking soda? It is a white, crystalline powder that is used as a leavening agent in baking. It is a natural alkali ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

You must have heard about Mahatma Gandhi's Dandi March. Did you know that salt was such an important part in our struggle for freedom? What is salt? Salt, also commonly known as table salt, is a ...