Chemistry
State three ways by which carbon dioxide gas is added into the atmosphere.
Carbon dioxide
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Answer
The three ways by which carbon dioxide gas is added into the atmosphere are:
- Combustion of fuels.
- Respiration of human beings, animals and plants.
- By volcanic eruptions.
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(a) …………… is formed when carbon is burnt in a limited supply of air or oxygen.
(b) Carbon monoxide burns in air with a …………… flame to form carbon dioxide.
(c) Carbon monoxide is a product of …………… combustion.
(d) A mixture of 95% oxygen and 5% carbon dioxide is called ……………
(e) Carbon monoxide is used as a …………… in the extraction of pure metals from their corresponding ores.