1. We should take some turmeric powder. Add a bit of water to it and prepare turmeric paste.
2. We should rub the turmeric paste on a white paper.
3. And draw a flower on that paper with a pencil.
4. Colour the flower with soap water using a brush.
5. We notice that the colour of the flower changes to red.
6. Similarly take some lime water.
7. Add a few drops of it on a piece of turmeric paper.
8. The colour changes to red.
