What is used to make vinegar?

Write any three physical properties and three uses of ethanol.

$A$ gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.

In the presence of which enzyme does the fermentation of glucose or fructose occur to produce ethanol and carbon dioxide?

Give a name to the reaction which takes place between ethanoic acid and ethanol in the presence of concentrated sulphuric acid. Write the chemical reaction and the name of the product obtained.

Draw the structures for the following compounds:
$(i)$ Ethanoic acid
$(ii)$ Bromopentane
Are structural isomers possible for bromopentane?