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AJ-g10p_0115
MR / Schenectady, New York. Schenectady High School (urban, public high school). Grade 10 chemistry lab. One of a series of photographs taken during a chemistry lab in which students explore the properties of acids and bases. Students are experimenting to find out what gas is produced when a metal (zinc) reacts with an acid (hydrochloric acid). They are also testing the reaction of a carbonate (marble) in hydrochloric acid. Student corks test tube prior to inserting a burning splint placed in the gas produced by the two components when they are combined. ID: AJ-g10p. MR: AJ-g10p. ©Ellen B. Senisi
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