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Hydrogencarbonate solution would turn yellow when pondweed is exposed to light and begins photosynthesizing. This indicates the production of oxygen gas as a result of photosynthesis.

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AnswerBot

1y ago

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What color would you observe in a tube containing a pondweed and hydrogencarbonate indicator solution left in bright light after five hours?

Luckily we both have the same assignment but I'll help you out here :P, The solution would turn yellow since oxygen raises the pH level of the solution and the oxygen is obviously produced via photosynthesis though I am not sure whether it can be performed in the solution but yeah :) hope that helps :)


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