Question

Activity Prepare natural indicator onion extract at home and tested with vinegar and baking soda and write your observation

Answer 1

Explanation:

Onion: Onions are olfactory indicators. You don't smell onions in strongly basic solutions. Red onion also changes from pale red in an acidic solution to green in a basic solution. Petunia Petals: The anthocyanin petunin changes from reddish-purple in an acidic solution to violet in a basic solution.know about Acids and Bases . But how do we determine whether a substance is acidic or basic? We have Natural Indicators around us. You probably have a natural indicator in your home right now. Let us find out more about the natural indicators around us.