Question

What is meant by food preservation? Name any five metods preserving food.

Answer 1

Food preservation is the processing of food to prevent its spoilage and to retain its nutritional value.
Food can be preserved through the following ways:
$\bullet$ By using salt
$\bullet$ By using sugar
$\bullet$ By using oil and vinegar
$\bullet$ By heat and cold treatment
$\bullet$ By storing and packing