We can use lime water to test the presence of `CO_2` in respiration experiments. What change do you observe in lime water ?

How do you infer the presence of CO_2 in respiration experiments ?

What is lime water ?

What is lime water?

Did the lime water change colour ?

A student dropped a few pieces of marble in dilute hydrochloric acid contained in a test tube. The evolved gas was passed through lime water. What change would be observed in lime water? Write the balanced chemical equations for both the change observed?