colourless gas|What is carbon dioxide (CO₂) guide for KS3 chemistry students,xxx www video hindi

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

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

Nitrogen, nonmetallic element of Group 15 [Va] of the colourless gasperiodic table. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter. Its atomic number is 7 and it。

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