কোনটি রেকটিফইড স্পিরিট?
ক
95% ethyl alcohol and 5% methyl alcohol
খ
95% ethyl alcohol and 5% water
গ
70% ethyl alcohol and 30% water
ঘ
70% ethyl alcohol and 30% methyl alcohol
সঠিক উত্তর: 95% ethyl alcohol and 5% water