All the substances around us, have different tastes, right? Some are sour, some are bitter, some taste sweet and some are salty. So, we will learn in this virtual tour why different substances have different tastes. Litmus papers are basic indicators that indicate whether the solution or substance is acidic or basic. The acid converts blue litmus paper to red and the base converts red litmus paper to blue.

The most commonly used natural indicator is litmus. It is extracted from lichens. Generally, it is available as red and blue litmus paper. We will learn in this virtual tour how to check the acid and base of the solution through turmeric powder.

Sometimes the stomach releases too much acid which leads to indigestion or sometimes hyperacidity. We are going to neutralize this acidity by taking substances that are basic in nature commonly known as antacids like ENO or baking soda.

All of us must have suffered from an ant bite once in our childhood. It does create a burning sensation in our bodies. It is because it secretes formic acid in our body. To neutralize the burning effect we will take a basic substance like baking soda and will rub it into the affected area which will give us immediate relief.