1, according to the previous statement: concentrated sulfuric acid splashed on the skin, can not be washed with water, you should first wipe off the concentrated sulfuric acid with a dry rag. Because washing with water, water and concentrated sulfuric acid will burn the skin after releasing a lot of heat. 2, according to the new statement: immediately rinse with plenty of water. Because someone has calculated that even if it is washed with a lot of water immediately, the temperature will not exceed 40℃ and it will not burn the skin at all. Finally, apply sodium bicarbonate solution or dilute ammonia water to the skin to neutralize the acid. Personally, I think the second statement is more reasonable, because once a classmate did an experiment, because it was treated with water in time, it only hurt the surface of the skin, and then it left no trace after recovery.