Question

when the gas formed on heating limestone is passed through freshly prepared lime water turns into milky

Answer 1

because the gas formed is carbon dioxide so the lime water turn into milky hopefully it helps you...

Answer 2

Answer:

plz brainliest this one

Explanation:

(i) On heating, limestone undergoes thermal

decomposition to form calcium oxide (quick

lime) and carbon dioxide.

CaCO3(s) ∆ CaO(s) + CO2

↑

quick lime

(ii) Calcium oxide when dissolved in water forms

Calcium hydroxide (lime water).

CaO(s) + H2

O(l) → Ca(OH)2(aq)

Calcium

hydroxide

(iii) When carbon dioxide is passed through lime

water it turns milky due to formation of white

precipitate of Calcium carbonate.

Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2

O(l)

Calcium

carbonate