Question

Study the diagram below.
1.How can you tell that gas is given off in this experiment?
2. Ria passed the gas through limewater. What happens to the lime

Answer 1

Explanation:

1. The air bubbles prove that gas is given off in this experiment

2. then lime water will turns milky

Answer 2

Answer:

2. the limewater gets oxidized with the reaction.

Explanation:

as the hydrochloric acid and limestone get mixed , bubbles were formed from them and that bubble is going through bent pipe to oxidize the limewater