Dihydrocapsaicin is not very polar, demonstrated by the fact that it is only sparingly soluble in water.
There are some polar groups in it but the benzyl-and methylnonanyl-groups are more strongly nonpolar
Polar is bolded, nonpolar is italicalized:
N-(4-Hydroxy-3-methoxybenzyl)-8-methylnonanamide
No its not polar
Polar contains polar. Non-polar contains nothing.
ClO4 is polar.
Nonpolar
Polar Polar
polar
IOF5 is polar - O has a double bond
Polar
polar
polar
polar
polar