Take some calcium carbonate (marble pieces) in a boiling tube as shown

1.	Take some calcium carbonate (marble pieces) in a boiling tube as shown in figure. Add dilute hydrochloric acid to it through a thistle funnel. Pass the evolving gas through clear lime water taken in a test tube.1. Which is the gas that comes out through the delivery tube?2. What is your observation when this gas is passed through clear lime water?
Answer» 1. Carbon dioxide 2. Lime Water turns milky When acids react with carbonates, carbon dioxide(CO₂) gas is liberated.

Take some calcium carbonate (marble pieces) in a boiling tube as shown in figure. Add dilute hydrochloric acid to it through a thistle funnel. Pass the evolving gas through clear lime water taken in a test tube.1. Which is the gas that comes out through the delivery tube?2. What is your observation when this gas is passed through clear lime water?

Answer»

1. Carbon dioxide

2. Lime Water turns milky

When acids react with carbonates, carbon dioxide(CO₂) gas is liberated.