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ACID RAIN The majority of people consider rain to be an undamaging weather occurrence. However the increase in acidity of rain is both unsafe and damaging. In order to fully understand the term acidity,
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ACID RAIN The majority of people consider rain to be an undamaging weather occurrence. However the increase in acidity of rain is both unsafe and damaging. In order to fully understand the term acidity, it is essential to know something about the pH scale. This scale has a range of 0 to 14, with 7 being neutral. Anything below 7 (0-6) is known to be acidic and anything above 7 (8-14) is alkaline. A change in only one unit is equal to a tenfold increase in the strength of the acid or base. Therefore a unit change from pH 6 to pH4 is equal to a 10 x 10 increase in it acidity. Taking the above into consideration, it is easy to see how the normal phenomenon "rain" is becoming more and more acidic as its pH has dropped from around 6and 7 to about 4.3and 5.3.This occurrence is known...
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