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Chemistry, 18.09.2019 00:00 ryleerod07

You suspect one of the products of a single replacement is hydrogen gas. how might you experimentally confirm your prediction? choose the best option.
a. watch for bubbles to form in solution which indicates a gas was produced. b. waft to detect an odor from the test tube.
c. place a burning splint near the end of the test tube and listen for a 'pop' sound. d. hydrogen gas is never a product in a chemical reaction.

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