Which among the following has a corrosive effect on the skin?

Sulphuric acid

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Salt solution

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Distilled water

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Sugar solution

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Solution

The correct option is A
Sulphuric acid

Sulfuric acid is dangerous because it is an extremely strong dehydrating agent. The corrosive action of acid on living tissues is due to the catalytic reaction of acid-base in ester and amide hydrolysis. The corrosive acids will react with the skin and hydrolyze the fats which are the chemical forms of esters.

All the other options are almost neutral in nature. All of them have their pH value around 7.

So the answer is sulphuric acid.

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