Acid Base Indicators
This is a series of lectures in videos covering Chemistry topics taught in High Schools.
Senior Chemistry: Acids and Bases 10This clip: Chemguy demonstrates acid/base indicators.
We are looking at the following acid-base indicators: methyl orange, methyl red, bromothymol blue, litmus, phenolphthalein and indigo carmine. Consider that these indicators all have their effective pH range at which they turn colours.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.