Environment
'Strange smoke from Hanoi' is acid mist
In the days of being covered by smoke, many Hanoi people find it difficult to breathe and sting their eyes. When light rain appeared, I measured and found that the pH of…
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In the days of being covered by smoke, many Hanoi people find it difficult to breathe and sting their eyes. When light rain appeared, I measured and found that the pH of…
Acid is a very powerful chemical and highly toxic, it only takes 5 seconds to cause scary burns and after 30 seconds, it will fully promote its terrible effects.