MDCAT Chemistry MCQ #77

To prevent the illegal use of industrial alcohol for drinking purposes, it is 'denatured'. What is the composition of the resulting Methylated Spirit?

MDCAT Chemistry MCQ #77

  1. Question 1

    Q1. To prevent the illegal use of industrial alcohol for drinking purposes, it is 'denatured'. What is the composition of the resulting Methylated Spirit?

    • A) Pure ethanol
    • B) Ethanol with water
    • C) Ethanol with benzene
    • D) Ethanol with 10% methanol

    Answer: Ethanol with 10% methanol

    Explanation: Methylated spirit is ethanol rendered undrinkable by adding 10% methanol, though pyridine or acetone are sometimes also used as denaturants.