Match indicators to their acid colour

Exercise and reference answers

Matching pairs

1. Left

   Litmus (in acid)

   Right

   Red

2. Left

   Phenolphthalein (in acid)

   Right

   Colourless

3. Left

   Methyl orange (in acid)

   Right

   Pink/Red

Instructions

Tap an indicator, then tap the colour it turns when it sits in an acid.