In the experiment to show that carbon dioxide is produced during respiration by germinating seeds, the alkali solution kept in a small test-tube absorbs:
(1) only O2 gas
(2) only CO2 gas
(3) both O2 and CO2 gases
(4) neither O2 nor CO2 gases
Open in App
Solution
In the above mentioned experiment, the alkali (KOH) kept in a small test tube absorbs only CO2 gas and creates partial vacuum in the flask.