No, lactic acid is not present in lactose-free milk. Lactose-free milk is made by adding the enzyme lactase to regular milk to break down the lactose into its two component sugars, glucose and galactose. Lactic acid is produced through the fermentation of lactose by bacteria, which is not a part of the process of making lactose-free milk. **

To dilute nitric acid with an acid content of 65 to an acid content of 25, you can add water to the acid. The dilution formula is C1V1 = C2V2, where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume. By plugging in the values (65 for C1, 25 for C2, and the initial volume of nitric acid), you can calculate the volume of water needed to dilute the acid to the desired concentration. **

One popular free fitness app that offers free content is Nike Training Club. This app provides a wide range of workouts, training plans, and guided workout videos for users to access at no cost. Users can choose from various workout categories such as strength, endurance, yoga, and mobility, making it a versatile option for individuals looking to stay active and healthy without any subscription fees. **

Stomach acid does not typically reach the lungs under normal circumstances. The lower esophageal sphincter, a muscular valve at the bottom of the esophagus, prevents stomach acid from flowing back up into the esophagus and reaching the lungs. However, in cases of acid reflux or gastroesophageal reflux disease (GERD), the lower esophageal sphincter may not function properly, allowing stomach acid to travel up the esophagus and potentially reach the lungs, causing respiratory issues. **

Carrots do not contain oxalic acid. Instead, they contain other beneficial compounds such as beta-carotene, fiber, and various vitamins and minerals. Oxalic acid is commonly found in foods like spinach, rhubarb, and beets. **

Sulfuric acid is considered the strongest acid among the three mentioned - sulfuric acid, nitric acid, and hydrochloric acid. This is because sulfuric acid is a strong acid that is highly corrosive and can react vigorously with many substances. Nitric acid and hydrochloric acid are also strong acids, but sulfuric acid is generally considered to be the strongest due to its ability to fully dissociate in water and its powerful oxidizing properties. **

Salicylic acid is stronger than acetylsalicylic acid. This is because acetylsalicylic acid is a derivative of salicylic acid, and the addition of an acetyl group to the molecule reduces its acidity. Salicylic acid is a beta-hydroxy acid that is commonly used in skincare products for its exfoliating properties, while acetylsalicylic acid is the active ingredient in aspirin and is used primarily as a pain reliever and anti-inflammatory medication. **

Some of the best free strategy games include "Dota 2," "League of Legends," and "Starcraft 2." These games offer deep strategic gameplay, competitive multiplayer modes, and a thriving community of players. "Dota 2" and "League of Legends" are both popular MOBA (multiplayer online battle arena) games, while "Starcraft 2" is a real-time strategy game known for its intense competitive scene. These games are free to play and offer a high level of strategic depth, making them some of the best options for strategy game enthusiasts. **