2. The term "classical specifically refers to the style of music from which centuries?

1750s to early 1820s

Explanation:

The term "classical music" includes all Western art music from the Medieval era to the 2000s, the Classical Era was the period of Western art music from the 1750s to the early 1820s—the era of Wolfgang Amadeus Mozart, Joseph Haydn, and Ludwig van Beethoven.

(Source: Wikipedia)