Question

Three bottles without labels contain alcohol, ethanoic acid and soap solution separately how will you test which bottle contains what

Answer 1

first take small quantity of all 3 and boil them. alcohol boils first.
now u know it is alcohol.
next take small quantity of other 2 in test tube and add NaHCO3 in it. ethanoic acid gives brisk effervescence. now u know it is ethanoic acid. the other is soap.
test for soap: it turns red litmus paper into blue.

Answer 2

You can do litmus paper test or by boiling it