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Topic: How did an aqueous solution of CaCl2 cause red litmus to turn blue?  (Read 2757 times)

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Offline klaklab12

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How did an aqueous solution of CaCl2 cause red litmus to turn blue?
« on: September 25, 2019, 10:47:28 PM »
Recently did a lab at school and found that calcium chloride turned red litmus paper blue. This means that calcium chloride is a base? I tried cleaning the well multiple times, but it still turned blue. How could this happen, it doesn't contain any hydrogen or hydroxide ions.
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Offline AWK

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Re: How did an aqueous solution of CaCl2 cause red litmus to turn blue?
« Reply #1 on: September 26, 2019, 03:17:59 AM »
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