State whether the following statements are true or false.
i. Denatured ethanol is used as industrial solvent.
ii. Vinegar is a 12-15 % aqueous solution of acetic acid.
iii. The functional group of ethanoic acid is a carboxylic group.
iv. Sodium hydroxide is used in the preparation of soap from fats and oils.
v. Rubber is a manmade macromolecule.
vi. Polyvinyl chloride is used in the manufacture of P.V.C. pipes and bags.
vii. Polyethylene is a homopolymer.
viii. The chemical bonds in carbon compounds do not produce ions.
