, hurray, well done, sword of domocles, well, of course, as you understand this phraseologist, this iswell done! an easy question. correct answer. yes, it's voyager. alexander, last category. oh oh oh. don't even know, all subjects in which i am not particularly knowledgeable, but i think, still, let there be a name, under what name is the qualitative reaction to such compounds as aldehydes known? oh, i don’t know, let there be a reaction of a silver mirror, and let, you know, some other reactions, no, this is the correct one. you see, it’s good that he knows this and that ’s exactly what he got, the reaction of a silver mirror, the answer: i know that he’s not good at chemistry, that ’s amazing, i was especially pleased, well , not exactly pleased, but so to speak, the reaction of andrei, who well obviously that if you were wrong now, you would definitely earn yours, well, maybe two, but points, you know, i want to add that i communicate very well with chemists, i went with him to training camps, so they showed us the test tube. in which it’s so beautiful, the silver is beautiful, wel