| Acid | Found in |
|---|---|
| Formic | Ant's sting |
| Acetic | Vinegar |
| Citric | Citrus fruits |
| Lactic | Curd |
| Oxalic | Spinach |
| Ascorbic | Amla and other citrus fruits |
| Tartaric | Tamarind, grapes, mangoes etc |
| Port | Purpose |
|---|---|
| Port of Call | Intermediate stop for a ship |
| Packet Station | Ferry Port |
| Entrepot Port | Trans-shipment port |