Methanoic acid mixes with water in all proportions and has about the same boiling point as water which of the following methods would you adopt to obtain pure water from a mixture of stand, water and methanoic acid?

• A.fractional distillation
• B.filtration followed by distillation
• C.neutralization with sodium hydroxide followed by distillation
• D.esterification with ethanol followed by distillation
• E.neutralization with sodium hydroxide followed by filtration