Experimentally show that carbon dioxide is given out during respiration

Aim To show experimentally that carbon dioxide is given out during respiration. Materials Required Conical flask, U-shaped delivery tube (tube bent twice at right angles), cotton wool or moist blotting paper, water, thread, beaker, test tube, rubber cork with one hole, 20% freshly prepared KOH sokution, vaseline, soaked gram seeds. Theory Respiration is a biochemical […]