Smart chemists, come and take a look, conduct a test!
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A and B can be converted into each other; B can be transformed into C when heated in boiling water, C is oxidized to D in air, and D has a smell similar to that of low-concentration hydrogen sulfide. What are A, B, C, and D respectively? A is a chicken, B is an egg, C is a cooked egg, D is a rotten egg
Hahaha, I get it. I need to set it as hidden~~ A chicken, B egg, C cooked egg, D rotten egg. Hahaha~~~
The answer to this question is not precise. A and B can be converted into each other. A hen lays eggs, but those eggs may not hatch into hens; they could turn into roosters, hens, or even rotten eggs.
I won’t watch it; you can choose whatever you want: lol