Acids and bases bingo

Exercise and reference answers

Clues and terms

1. Clue

   What makes lemon juice and vinegar taste sour.

   Item

   Acid

2. Clue

   Bitter substance that feels soapy to touch.

   Item

   Base

3. Clue

   Substance that changes colour in acids and bases.

   Item

   Indicator

4. Clue

   Dye from lichens, sold as red and blue paper.

   Item

   Litmus

5. Clue

   Solution that changes neither litmus paper.

   Item

   Neutral

6. Clue

   Petal indicator that turns magenta in acid.

   Item

   China rose

7. Clue

   Taken to relieve too much acid in the stomach.

   Item

   Antacid

8. Clue

   Base used to treat a soil that is too acidic.

   Item

   Quick lime

9. Clue

   Rain carrying excess acid from polluting gases.

   Item

   Acid rain

Instructions

Read each clue and tap the term it describes.

Explanation