JEE Main 2022 · 24 Jun · Shift 2 · Chemistry Q69

ChemistrySingle correct+4 / -1Question 69 of 90

Which one of the following compounds is used as a chemical in certain type of fire extinguishers?

Baking soda

Soda ash

Washing soda

Caustic Soda

Answer and worked solution

Official answer: A

Fire extinguishers. Sodium hydrogencarbonate (baking soda) releases $\mathrm{CO_2}$ on heating or with acid, which smothers the fire.

(A)

Topics:Important compounds of s-block

JEE Main 2022 · 24 Jun · Shift 2, Chemistry question 69