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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Same folder images