Question

Of a substance x is used for testing carbon dioxide write the equation of the reaction of x with carbon dioxide

Answer 1

$\mathbb{\huge{\purple{Zia\: Dilliwali}}}$

(a) Substance X-Calcium hydroxide.

(b) Calcium hydroxide is obtained by reaction of calcium oxide and water. CaO(s) + H2O(l) → Ca(OH)2(aq) + Heat

Answer 2

x is lime water(Ca(OH)2)

Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O. ..

Hope it helped:-):-)