A quick guide to carbon monoxide poisoning – the silent killer…

All organic matter contains carbon which has the chemical symbol C. When burnt in the presence of adequate air, fuels such as wood, peat, coal, oil and gas produce carbon dioxide in the chemical process. There is about 21% oxygen in air. The chemical symbol for oxygen is O though in air it exists as O₂. Carbon dioxide has the chemical formula CO₂. If there is inadequate ventilation and therefore inadequate oxygen, carbon monoxide (CO) is formed. In the lungs, …

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