Acids, Bases, and Salts Class 10 Notes pdf
| Acids | Bases |
| 1. Sour in taste. | 1. Bitter in taste. |
| 2. Change the color of the blue litmus to red. | 2. Change the color of the red litmus to blue. |
Acid-Base Indicators:
- Natural Indicators: Litmus, turmeric, red cabbage leaves, turmeric, colored petals of some flowers such as Hydrangea, Petunia, and Geranium.
- Synthetic Indicators: Methyl orange, phenolphthalein, etc.
Note: A stain of curry on a white cloth becomes reddish-brown when soap, which is basic in nature, is scrubbed on it.