Methods of food preservation

In this technique the water is lost

• Canning

• Drying

• Boiling

• Heating

The bread gets spoiled due to the .............in the air

Ram goes to a shop where he sees that the pickle shows certain chemicals that are added in the jar to increase the shelf life. What is the chemical?

• Saver

• Preservative

• Protector

• Conservative

What ingredients added in a mango pickle ?

What happens by boiling foodstuffs ?

This is not a preservation technique.

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These destroy the foodstuffs

• Moisture

• Sugar

• Fungus

• Bacteria