To test the presence of nitrogen gas present in packet of chips and other snacks.
Match box, Candle, Packet of chips.
1. Take a burning candle or burning matchstick.
2. Open packet of chips near to the flame of candle or burning matchstick.
3. Record your observation.
The matchstick or candle will get extinguished.
BASIC PRINCIPLE INVOLVED:
The packet of chips and many other products have nitrogen gas in it, which
prevents spoilage of food due to oxidation because nitrogen is very less reactive.
Presence of nitrogen is tested and understood the method of preserving food stuff.
To be done under parental supervision.