1.

What does the airbag, used for safety of car driver, contain? (a) Sodium bicarbonate (b) Sodium azide (c) Sodium nitrite (d) Sodium peroxide

Answer»

The correct option is: (b) Sodium azide

Explanation:

Sodium azide is used in airbag, used for safety of car driver. Under room temperature, sodium azide is a stable compound. However, when heated by an impulse it disintegrates to produce sodium and nitrogen. It only takes about 50-100 grams sodium azide to produce enough nitrogen gas to fill a normal airbag for driver.



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