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  1. ... gas (O3) is often generated as an undesirable pollutant in smog and industrial emissions. It is also produced for ...

    分類:科學及數學 > 化學 2008年02月16日

  2. ...affect the plants and soil as part (1)甲到丙 mentioned.(iii)photochemical smog which is formed by the influence of sunlight on , ozone, hydrocarbon,aldehyde...

    分類:科學及數學 > 化學 2007年02月09日

  3. ...cause acid rain. also, unburnt hydrocarbon and nitrogen dioxide will react to form photochemical smog which cause reduced visibility, eye and bronchial irritation and damage to plants...

    分類:科學及數學 > 化學 2007年05月02日