What are the classic jokes in the chemistry competition circle?

1. This is the story of an Indian doctor and an English professor.

The theme of the story is sucralose, which is one of the best sweeteners at present, and its sweetness is 600 times that of sucrose. His findings are as follows.

British professor: "You go and test the product you got today (sucralose)."

India Hou Bo: "OK, no problem."

soon ......

India Hou Bo: "Professor, I have tasted it. It's sweet, especially sweet!" " "

2. Tell me one thing I did in junior high school:

I dipped the ph test paper in a blue and black ink bottle and asked the teacher what it was. The teacher asked in surprise, "Where did you find such a strong alkaline thing!" " "

The air is filled with love? No, there are nitrogen, oxygen and carbon dioxide in the air.

4. A group of water molecules ran in a neat line, and other water molecules admired with envy: "Wow, it's really ice!" A female student wanted to put a large piece of potassium into the water. I didn't know what would happen, so she asked the professor. The professor told her, "Stir the water for five minutes before putting it." The female student was puzzled and asked, "Why do you want to stir for five minutes first?" The professor said, "That will give me enough time to escape from the explosion radius!" " "

5. When methyl bromide meets methane, methane asks enviously, "Hey, where did you buy this beautiful substitute?"

Methyl bromide said excitedly, "Well, I bought it in Xiushui!" " "