UNIVERSAL INDICATOR: Solution or paper indicator that changes into a range of colours to specifically identify pH of solution
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USE OF UNIVERSAL INDICATOR TO MEASURE pH OF AQUEOUS SOLUTION:
- If using universal indicator solution, a few drops of this indicator solution is added to the Aqueous Solution and colour change is observed and matched to specific colour on pH scale (to identify pH)
- If using universal indicator paper, this paper is dipped into Aqueous Solution and colour change is observed and matched to specific colour on pH Scale (to identify pH)
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UNIVERSAL INDICATOR AND pH SCALE:
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Colour change of universal indicator is matched to a specific colour on pH Scale, identifying approximate pH
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