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प्रश्न
pH of acid rain is ______.
पर्याय
5.6–6.5
about 4
6.5–7
approximately 1
MCQ
रिकाम्या जागा भरा
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उत्तर
pH of acid rain is about 4.
Explanation:
Rain in industrialised areas affected by acid rain can have a pH of about 4 or lower. Unpolluted rain is mildly acidic, around pH 5.6–6.5, while pH 1 is far too acidic for the typical value asked.
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