Question

*When bleaching powder reacts with carbon dioxide, _____ gas is released.*

1️⃣ oxygen
2️⃣ chlorine
3️⃣ hydrogen
4️⃣ None of these​

Answer 1

→ Chlorine is the Answer Mate

Answer 2

4)None of the above

But the correct answer is Bleaching powder reacts with carbon dioxide gas to form CaCO3 and Cl2 .