Question

A road tanker carrying an aid was involved in an accident and it content spilled onthe road

Answer 1

Answer:

please complete the question dear friend

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Answer 2

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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