What was the main the goal of the 19th century art movement called realism?

The movement aimed to focus on unidealized subjects and events that were previously rejected in art work.

Explanation:

Realist works depicted people of all classes in situations that arise in ordinary life, and often reflected the changes brought by the Industrial and Commercial Revolutions. hope this helps you :)

a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)

classical and renaissance ideals. he mainly focused in historical paintings, so you could also say that he drew his artistic inspiration from the bible, since he depicted and painted many scenes from it.