petrol tanker carrying an acid was involved in an accident and its content speed on the road at the side of the road and rain cover begin melting and freezing as the acid rain over 10
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1. BY CHECKING THE pH OF WATER
2.CORRODING
3.AS ACID REACTED VIGOUROUSLY WITH IRON TO FORM SALT AND WATER
2.CORRODING
3.AS ACID REACTED VIGOUROUSLY WITH IRON TO FORM SALT AND WATER
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Answer:
(a) By dipping a strip of blue litmus paper in to the sample of river water.
If the colour changes to red this means that some acid has gone in to the river.
(b) Corrosion.
(c) Iron reacts with acid to evolve hydrogen gas.
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