Practical, easy-to-use materials provide a graphic introduction to pH. Students learn to distinguish between acids and bases using five indicator solutions and indicator strips, then use their knowledge to measure a biological function. The kit contains 12 Chemplates®, blue and red litmus paper, universal pH indicator paper and drop bottles of bromothymol blue, dilute hydrochloric acid, phenol red, phenolphthalein and dilute sodium hydroxide. With 50 student worksheets and a teacher’s manual. Materials supplied for 50 students.
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