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प्रश्न
Rain is called acid rain when it:
पर्याय
pH falls below 7
pH falls below 6
pH falls below 5.6
pH is above 7
MCQ
उत्तर
pH falls below 5.6
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
Rain is called acid rain when it:
pH falls below 7
pH falls below 6
pH falls below 5.6
pH is above 7
pH falls below 5.6