Practicing with minimal pairs is a very effective way of learning to hear and pronounce Norwegian sounds. In this video, I will explain what minimal pairs are and how you can add them to Anki so that you can practice, practice, practice to improve your Norwegian pronunciation.
It is very important to learn the phonology of Norwegian and familiarize yourself with the sound of the language before starting to learn it. This video will give you a nice overview of what resources you should get and how to study before starting to look into the peculiarities of the Norwegian language. Good luck!