Airbags work on the principle of a chemical reaction triggered by the impact producing a gaseous product that causes a sudden volume change. Which one among the following chemical conversions is responsible for this?
- A. Sodium azide into nitrogen gas ✓
- B. Solid carbon dioxide into gaseous carbon dioxide
- C. Carbon dioxide into carbon monoxide
- D. Sudden conversion of gaseous carbon dioxide into carbon monoxide
Correct Answer: A. Sodium azide into nitrogen gas
Explanation
Airbags typically contain sodium azide (NaN_{3}). Upon impact, it decomposes rapidly to produce large volumes of nitrogen gas (N_{2}), which inflates the airbag.
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