Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 303
294 PHYSICAL SCIENCE. 1. What change takes place in the appearance of the surfaceof the zinc in the acid ? 2. What is the gas given off? (See High School Chemistry,Revised Edition, page 28.) Place the copper strip also in the dilute acid and holdit parallel with the zinc and near it, but not…
Physics
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