Yeast fermentation experiment. Fermenting yeast in a flask, being used to show how fermentation produces carbon dioxide (CO2). As the CO2 is produced it passes along the glass tube (top) and into a test tube of limewater (calcium hydroxide solution). The limewater turns milky when CO2 is passed through it as a suspension of calcium carbonate is produced.

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TOP16629816

Source:

達志影像

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RM

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須由TPG 完整授權

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