Question

___________ are used for the preservation of food.

Answer 1

• Salt and edible oils are two common preservatives that have been used to limit microbial development for centuries.
• Salting is the process of preserving food with salt.
• Fruits can be preserved for a long time by salting them.
• Salting can also be used to preserve meats and fish.

Therefore, chemical methods are used for the preservation of food.