हिंदी

The pH of rainwater is 7. - Science and Technology 1

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प्रश्न

The pH of rainwater is 7.

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उत्तर

False.

The pH of rainwater is less than 7.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2012-2013 (March)

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