Universal indicator added to three test tubes containing different solutions (left to right): diluted hydrochloric acid (acidic), distilled water (weakly acidic) and diluted sodium hydroxide (alkaline). Universal indicator changes its color depending on the pH of the solution. Red indicates a strong acid, yellow/orange indicates an acid, green is neutral, blue indicates an alkali, and purple indicates a strong alkali.
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Details
Creative#:
TOP22298334
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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acidacidacidicacidityalkalialkalinealkalinitybasebasicbasicitycausticchemicalchemistrycomparingcomparisondemodemonstrationeducationalexperimenthclhydrochlorichydroxideindicatorindicatorindicatorindicatorlifeliquidlyemeasuremeasurementnaohneutralphphphsodasodiumsolutionstilltesttesttestingtubeuniversaluniversalwater