For the laboratory some students put a strip of shiny metal into a beaker of blue solution and then stored the beaker on a shelf overnight. The next morning , the students recorded observations about the

For the laboratory some students put a strip of shiny metal into a beaker of blue solution and then stored the beaker on a shelf overnight. The next morning , the students recorded observations about the metal and the solution in the box below Based on their observation, can the students correctly conclude that a chemical reaction occurred ?

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