Shellac contains mainly

Which among the following compounds belongs to lipids?

The waxes are long chain compounds of fatty acids,which belong to the class of

$CH_2-O-COR_1$
$|$
$CH-O-COR_2$
$|$
$CH_2-O-COR_3 + 3NaOH \to (A) + 3R-COONa$ (Salt of fatty acid/soap)
Product $(A)$ of the reaction is

An example of a saturated fatty acid present in nature is

To which functional group do fats belong?