Pupil performing titration

Pupil performing titration

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Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: MODEL RELEASED. Pupil performing titration. Schoolgirl dripping measured volumes of an acid from a burette (down right). The conical flask (lower right) contains a measured volume of an alkali and an indicator (from bottle at lower left), which gives it a pink colour. As the acid & alkali mix they change the pH of the solution, resulting in a change in the indicator's colour.

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Keywords: acid, african, afro-caribbean, apparatus, base, black, burette, chemical, chemicals, chemistry lesson, child, clamp stand, conical flask, equipment, experiment, female, girl, indicator, lab, laboratory, neutralisation, neutralise, neutralising, neutralization, neutralize, neutralizing, ph, pupil, reagent bottle, safety glasses, school, schoolchild, schoolgirl, science education, titration, wooden

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