1. Dissolve 6.5g KOH (potassium hydroxide) in 1600mL water and add several drops of universal indicator. Place in 2000mL graduated cylinder.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The device uses an ATtiny25 microcontroller as it introduces a new design for a universal gear indicator that can be fitted to any motorcycle. The project consists of a main circuit that includes a ...

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

attains new extremes of mystery and obtuseness. Who were Universal Indicator? No-one’s saying, but it was a loose collective of early-’90s bedroom technoheadz from the Rephlex roster (Aphex seems a ...

However, water comes from different sources, like tap water or river water. These water samples have other substances dissolved in them. They might show up as slightly acidic or slightly alkaline ...