A road tanker carrying an acid was involved in an accident and its contents spilled on the road. At the side of the road, iron drain covers began melting and fizzing as the acid ran over them. A specialist was called to see if the acid actually leaked into the nearby river. (a) Explain how the specialist could carry out a simple test to see if the river water contains some acid or not. (b) The word melting is incorrectly used in the report. Suggest a better name that should have been used. (c) Explain why drain covers began fizzing as the acid rain over them.
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Answered by
5
I can tell only some of them
A) by using litmus paper or pH paper
C) when an acid reacts with metal it it starts melting and zing as drain cover is of metal as mentioned it reacts with acid and starts melting and fizzing
A) by using litmus paper or pH paper
C) when an acid reacts with metal it it starts melting and zing as drain cover is of metal as mentioned it reacts with acid and starts melting and fizzing
Answered by
3
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.
pls mrk as brainliest
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