Kochi > With out ready for the examine report of the summer season rain that fell at evening, the ‘acid rain was confirmed’ via litmus check additionally collapsed. A examine on the Cusat Heart for Local weather Research has proven that there isn’t any acid content material in the summertime rain and the water within the rain that fell in Kochi on Wednesday evening has the purity of regular rain water. Manorama discovered that the umbrella had cracked as a result of acidic nature of the rain.
The pH worth of rain water in all 4 samples is round 7. That is the pH worth of regular rainwater. Acid rain is taken into account when it reaches 4. Dr. Kusat Radar Examine Heart scientist mentioned that the pH worth of rainwater within the 4 areas studied by Kusat is 6.8, 6.6, 6.9 and 6.7. MG Manoj mentioned. The pH worth of regular water is seven. It is fairly near yesterday’s rain. If the pH worth is above 7, it’s alkaline and whether it is beneath 7, it’s acidic. However the pH worth present in regular rainfall in Kochi is 5 to six. The identical is seen in Wednesday evening’s rain. All 4 samples had been examined on three completely different corporations’ pH meters at Cusat. All confirmed the identical pH worth. This proves that there isn’t any such factor as acid rain. – Dr. MG Manoj mentioned.
He mentioned that there isn’t any foundation to say that the rain is acidic with the litmus check. A litmus check can present the acidity of any rain. As a result of the carbon dioxide within the ambiance will get absorbed into the rainwater and turns into carbonic acid. That is what the litmus check exhibits. It can’t be thought of as presence of sulfuric acid or another acid in rain water – he mentioned.
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