In senior high school biology experiment, alcohol and hydrochloric acid play an important role in the whole process,

In senior high school biology experiment, alcohol and hydrochloric acid play an important role in the whole process,

In the experiment of synthesizing starch by chloroplast under light, the treated geranium leaves were put into a small beaker filled with alcohol and heated with water to make the leaves fade (destroy and dissolve the pigment contained in the leaves)