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Methanol, unlike ethanol, is dangerous because when oxidised in the liver it forms

Question
Methanol, unlike ethanol, is dangerous because when oxidised in the liver it forms
Methanoic acid directly, which is harmless
Methanal, which coagulates cell protoplasm and can cause blindness
Ethanol itself
Carbon dioxide only
Answer
Methanal, which coagulates cell protoplasm and can cause blindness
Detailed Explanation
Methanol is oxidised to methanal in the liver, which coagulates cell protoplasm and can affect the optic nerve, causing blindness.
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