Just a word of warning as its something which is close to my heart. A very close friend and Ferry pilot was killed ferrying a 172 in Canada which iced up.
He didn't stop going down till impacting a shallow river in Canada.
Do not fly in conditions where there maybe icing unless your aircraft is approved for ice and even then use that capability to get out of it.
Most certainly do not go into icing conditions unless you know by going down to lower levels you can remove it and that those levels are way above terrain.
It is not something to mess with
Pace