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From green to pink hydrogen, we reveal the rainbow of hydrogen colours and the different types of technology used to produce each. Why is a colourless gas given so many colourful terms? Green hydrogen, blue hydrogen, brown hydrogen and even。

Carbon dioxide, a colorless gas having a faint sharp odor and a sour taste. It is a greenhouse gas, but it is a minor component of Earth’s atmosphere, formed in combustion of carbon-containing materials, in fermentation, in respiration of animals, and employed by plants in the photosynthesis of carbohydrates.

Carbon dioxide appears as a colorless odorless gas at atmospheric tecolourless gasmperatures and pressures. Relatively nontoxic and noncombustible. Heavier than air and may asphyxiate by the displacement of air.

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