Which of the following can produce aerosols?

Aerosols are tiny particles or droplets that can be suspended in air, and they can be produced by a variety of mechanical devices or processes. In this context, all the options listed are capable of generating aerosols due to their operational mechanisms.

Blenders can create aerosols when they rapidly blend liquids and solids, causing small droplets to be propelled into the air. This is particularly true when blending liquids that may splash or create fine mists. Sonicators work by using ultrasonic waves to agitate liquids, which can lead to the formation of fine aerosol particles. Mixers also have the potential to create aerosols when they combine substances, especially if the mixing involves liquids that can splash or an air phase that facilitates droplet formation.

Given that all three devices have the ability to produce aerosols under typical operating conditions, the correct choice is that all of them can indeed generate aerosols. Understanding this concept is important for implementing safety measures and protocols to protect against inhalation hazards in environments where these devices are used.