在小学教育或学前教育阶段,可以用柠檬酸或维生素C代替醋酸做化学趣味实验,从而使实验取材方便,安全性更高,效果更好。在教学实践中,可以用柠檬酸或维生素C代替醋酸做实验,如酸碱指示剂的小魔术、瞬间变色魔术、化学电池、真假黑米的鉴别等实验。 In primary education or pre-school stage, you can use citric acid or vitamin C instead of acetic acid to do chemical fun experiment, so that the experimental material convenient, safe, better. In teaching practice, you can use citric acid or vitamin C instead of acetic acid to do experiments, such as acid-base indicator of magic, magic moment color, chemical batteries, black and white identification of true and false experiments.