Why does the lime water turn milky?
A. CO2 is released
B. CO2 is consumed
C. H2 is released
D. H2 is consumed (1)
Answer:A
Why does the lime water turn milky?
A. CO2 is released B. CO2 is consumed C. H2 is released D. H2 is consumed (1)
Explanation: Since the exhaled air is carbon dioxide rich, when air is blown from mouth into test tube, the lime water turns milky as carbon dioxide gas turns lime water milky.