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Passive smoking is a major environmental health hazard. Environmental Tobacco Smokes (ETS) or Secondhand Smoke (SHS) damages the health around the smokers. A non-smoker is subjected to both ‘sidestream’ smokes from the burning tip of the cigarette and the mainstream smoke that has been inhaled and exhaled into the environment by the Smoker. Nearly four-fifths of the smoke that builds up in a room..
More chemical articlesA chemical substance is any material with a definite chemical composition, no matter where it comes from.[1] For example, a sample of water has the same properties and the same ratio of hydrogen and oxygen whether the sample is isolated from a river or made in a laboratory. A pure substance cannot be separated into other substances by any mechanical process.[2] Typical chemical substances found in the home are water, salt (sodium chloride) and sugar (sucrose). Generally, substances exist as solid, liquid, or gas, and may change between these phases of matter with changes in temperature or pressure.
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