CBSE BoardEnglish MediumSTD 10ScienceMODEL PAPER 91 Mark
MCQ
The chips packet is flushed with a gas X to prevent rancidity. Identify X.
A
Oxygen
B
Carbon dioxide
C
Nitrogen
D
Water vapour
✓
Answer
(c) Nitrogen Explanation: Rancidity can be prevented by packaging fat and oil-containing foods in nitrogen gas as it is unreactive. Hence, the chips packets are flushed with nitrogen gas to prevent aerial oxidation of fats and oil containing chips.
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