Question

Name any two special chemicals which are used as food preservatives.

Answer 1

Answer:

There are three classes of chemical preservatives commonly used in foods:

1. Benzoates (such as sodium benzoate)
2. Nitrites (such as sodium nitrite)
3. Sulphites (such as sulphur dioxide)

Answer 2

Sodium benzoate, sodium nitrite and sodium metabisulphite

Explanation:

Processing of food to prevent their spoilage and to retain their nutritive value for period is called food preservation. Food can be preserved by using salt, sugar, oil and vinegar or by treating food with heat or cold. Appropriate storage and packaging is essential for food preservation to be effective.

Some of the chemical preservatives commonly used in food are sodium benzoate, sodium nitrite and sodium metabisulphite.