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

Indicators are substances that change colour when they are added to acidic or alkaline solutions. Universal indicator is the indicator most commonly used in the laboratory. If universal indicator ...

Aphex Twin dons his Universal Indicator alias for the first time since 1995 on a new concept album coming via Nina Kraviz's трип label If you’ve read something you love on our site today, please ...