What Colour Is Universal Indicator in a Sugar Solution
If a drop of a solution is placed on universal indicator paper and the paper turns dark red the pH of the solution is near zero indicating that it is a strong acid. Acids cause universal indicator solution to change from green toward red. 11 2 Indicators Acids Bases And The Ph Value Siyavula An alkali will turn. . A universal indicator will show a green colour in a sugar solution which is the colour for pH 7. Universal indicator contains a spectrum of dyes. The color of the indicator should turn yellow-green or yellow. When introduced to an acidic substance it will turn yellow if it has a high acidity and red if it has a lower acidity. Different colours can also be created using a different base solution. Sugar solution is a neutral solution. A common mixture includes thymol blue methyl red bromothymol blue and phenolphthalein. All acids in the range of 1 to 4 turn the indicator red. Like all indicators un...
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