Which of the following gases can be used as a preservative?

Oxygen

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Carbon dioxide

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Nitrogen

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Water vapour

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Nitrogen
Nitrogen is used in the preservation of foods. Nitrogen is added in the food containers to remove any oxygen in it and then sealed. As there is no presence of oxygen in the container, the bacteria cannot grow and hence food remains fresh.

Suggest Corrections