Traditional Culture Encyclopedia - The 24 Solar Terms - What gas is hydrogen?
What gas is hydrogen?
In addition, at the standard atmospheric pressure and the temperature of -252.87℃, hydrogen can be transformed into a colorless liquid; At -259. 1℃, it becomes a snow-like solid. At room temperature, the nature of hydrogen is very stable and it is not easy to react with other substances. But when the conditions change (such as ignition, heating, using catalyst, etc. ), the situation is different. For example, after hydrogen is adsorbed by metals such as palladium or platinum, it has strong activity (especially palladium adsorption). Palladium metal has the strongest adsorption effect on hydrogen. When the volume fraction of air is 4%-75%, it may cause an explosion when it meets a fire source.
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