Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

pH scale diagram, measure how acidic or alkaline an aqueous solution is. The range from 0 to 14, with 7 being neutral. pHs of less than 7 are acidity, greater than 7 are base. Colorful chart vector.

Ph strips with range... Vector illustration of ph test pack isolated on a white background. Universal indicator papers for acidic and alkaline testing. Litmus paper testing kit. Ph strips to determine ...