To study the gas produced when yeast acts on sugar, Biology

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To study the gas produced when yeast acts on sugar

Place some clear lime water in a test tube and have a pupil exhale by a soda straw placed in the lime-water. Soon the lime-water will become milky which is a test for car- bon dioxide gas. Next place some yeast in a solution of sugar water in a test tube. Fit a single-hole stopper to the tube and put a glass tube by the hole.

 


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