Summary Students will see a demonstration of a color change using universal pH indicator. Students will change the concentrations of an acid and a base and use universal indicator to test the pH of ...

Basically, the pH value is a good indicator of whether water is hard or soft. The pH of pure water is 7. In general, water with a pH lower than 7 is considered acidic, and with a pH greater than 7 ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

What is the pH scale? The pH scale shows how acidic a substance is. Learn what pH means and how the pH scale s measured in this KS3 chemistry guide.

Tap water Aquarium pH Indicator Ordinary aquarium pH indicator is readily available from pet stores. The photographs below show the results using this pH indicator (pH 6 = Yellow / pH7.6 = Blue).

Create your own natural pH indicator using red cabbage and explore acid-base chemistry with this colorful science experiment. Watch as everyday substances transform into a rainbow of colors!

What color did the vinegar solution become? What is the pH of the solution? • In a third small, white paper cup, add one tablespoon of your original cabbage-indicator solution.

A crash course on the basic differences between acids and bases, complete with a classroom-friendly experiment demonstrating the strength of such compounds using a red cabbage pH indicator. Thank ...

Cranberry juice is not only an acidic juice, but is also a PH indicator. When we stir in baking soda, which is basic or alkaline substance, we not only get a foaming reaction like you would when ...