实验用品一些新鲜植物的花瓣或花冠或果皮,酒精、白醋、纯碱、玻璃杯等。实验步骤取一些新鲜植物的花瓣或花冠或果皮洗涤干净,晾干,加入适量的酒精(或白酒)浸泡,并用木条捣碎花瓣。一会后,取出上层澄清的溶液少许,分别滴在干净的玻璃片的三个不同地方。分别向上述三个不同地方的溶液中加入少量食盐、白醋、纯碱,可以发现三种溶液的颜色不相同,很有趣味。若是用牵 Experimental supplies Petals or corollas or peels of some fresh plants, alcohol, white vinegar, soda ash, glasses, etc. Experiment procedure Take some petal, corolla or peel of fresh plants, wash them, dry them, add appropriate amount of alcohol (or white wine), and soak the petals with wooden sticks. After a while, remove the clear solution from the top and place it in three different places on the clean glass. A small amount of salt, white vinegar, and soda ash were added to the above three different solutions, and the colors of the three solutions were found to be different and interesting. If you use