What is 2% milk primarily used for in drinks?

2% milk is primarily used in drinks as a base for lattes and chais due to its balanced texture and flavor. This particular type of milk provides a creaminess that enhances the overall mouthfeel of beverages without being overly rich, which can be the case with whole milk. In lattes, the combination of espresso with steamed 2% milk creates a harmonious blend that allows the coffee's flavor to shine while still contributing a velvety texture. Similarly, in chais, 2% milk complements the spiced tea, producing a smooth and enjoyable drink that maintains the integrity of the chai's flavors.

The other options, while related to the preparation of beverages or ingredients, do not represent the primary use of 2% milk as effectively. Whipped toppings are typically made from heavy cream, blended drinks often involve a combination of other ingredients and ice rather than just milk, and chocolate syrup is usually created from distinct ingredients that do not include milk as a primary base. Therefore, 2% milk is best identified as a key ingredient in lattes and chais, making this the correct choice.