Which substance will most likely ionize when it is dissolved in water? hbr cabr2 mgcl2 kcl

Iwll give extra points to who gets this for ! what type of reaction is this? ?

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage