colourless gas|Carbon dioxide ,ana bell peaks

Methane, colorless, odorless gas that occurs abundantly in nature and as a product of certain human activitiescolourless gas. Methane is the simplest member of the paraffin series of hydrocarbons and is among the most potent of the greenhouse gases.

Carbon dioxide, a colorless gas having a faint sharp odor and a sour taste. It is a grecolourless gasenhouse 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.

Sulfur dioxide, SO2, is a colourless gas or liquid that has a strong, odorous smell. It colourless gasis derived from the burning of fossil fuels (coal and oil) and the smelting of sulphur-containing mineral ores (aluminium, copper, zinc, lead and iron).

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