Testing lemon for acidity. Litmus indicator changes its color depending on the pH. Here a litmus indicator paper strip has changed color from blue to pink after it was put in contact with a freshly sliced lemon. The test shows that lemon is acidic.
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Details
Creative#:
TOP22306352
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
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No
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