Saved Bookmarks
| 1. |
How to test the presence nitrogen gas in the packet of snakes like chips ? |
|
Answer» test the presence of nitrogen gas present in packet of CHIPS and other snacks. MATERIAL REQUIRED: Match box, CANDLE, Packet of chips. PROCEDURE: 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. 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. CONCLUSION: Presence of nitrogen is tested and understood the method of preserving food stuff. PRECAUTION: To be done under parental supervision. |
|