carbon dioxide會5會引致acid rain?

Carbon dioxide係會引致acid rain既!!!

主要排出carbon dioxide既當然所有生物啦!!!
係生物進行呼吸作用(Respiration)既時候,,,
會吸入氧氣,,,
排出二氧化碳!!!
當二氧化碳與水混合,,,
會形成碳酸(Carbonic acid)!!!

即時話,,,
當二氧化碳與雨水混合,,,
會組成碳酸,,,
因此,,,
雨水既酸性亦都會被增加!!!

另外引致acid rain既仲有Nitrogen oxide,Sulphur dioxide等........
佢地會形成Nitric acid同Sulphuric acid........

結論係所有氣體能形成酸(當混合水份//水份+空氣)
都能夠引致acid rain!!!

空氣本身有CO2
同雨水react成為carbonic acid
正常既雨水 pH值為5.6
當雨水因為sulphur dioxide 同nitrogen oxides react而pH值低於5.6先叫acid rain
因此carbon dioxide並唔係成因

NO. SULPHER DIOXIDE WILL.

carbon dioxide會引致acid rain

Pure water has a pH of 7.0 (neutral); however, natural, unpolluted rainwater actually has a pH of about 5.6 (acidic).[Recall from Experiment 1 that pH is a measure of the hydrogen ion (H+) concentration.] The acidity of rainwater comes from the natural presence of three substances (CO2, NO, and SO2) found in the troposphere (the lowest layer of the atmosphere). As is seen in Table I, carbon dioxide (CO2) is present in the greatest concentration and therefore contributes the most to the natural acidity of rainwater.

Carbon dioxide reacts with water to form carbonic acid (Equation 1). Carbonic acid then dissociates to give the hydrogen ion (H+) and the hydrogen carbonate ion (HCO3-) (Equation 2). The ability of H2CO3 to deliver H+ is what classifies this molecule as an acid, thus lowering the pH of a solution.


check this web page -> http://www.chemistry.wustl.edu/~edudev/LabTutorials/Water/FreshWater/acidrain.html