Neutral Litmus pH test paper tests for Neutrality of a solution, or its acidity or alkalinity, does not come with a color chart, test strip will turn red if dipped into an acidic solution (pH <7) or blue if dipped into an alkaline solution (pH >7), Size: 100 test strips
Book, The Moon Seems to Change (Let's-Read-and-Find-Out Science 2), Branley, Franklyn M, Shows some signs of wear and have some markings on the inside, Children can read about the phenomena of the moon's phases and in an experiment using an orange, pencil and flashlight
GHS Basics training Poster, measures 22h x 17In w, Made of vinyl and laminated for durability, Poster has all the key elements to GHS training which all employees are required to take, Features the 16-sections of the Safety Data Sheets, the updated label format, and the new label pictograms.