Color Changes in Butterfly Pea Tea

Dr. B demonstrates the fascinating color-changing properties of butterfly pea flower tea when different substances are added. The tea turns blue initially, changes to purple with lemon or lime juice, and can be further altered with bases and acids. This makes it an intriguing gift for chemistry enthusiasts. The video concludes with a link for purchasing the tea.

What initial color does the butterfly pea flower tea turn when the dried flowers are added to water?

• Red

• Purple

• Green

• Blue

What happens to the color of the tea when lemon or lime juice is added?

• It turns green

• It becomes purple

• It stays blue

• It turns red

Why is butterfly pea flower tea considered a great gift for someone interested in chemistry?

• It is a rare plant

• It is very expensive

• It changes color with pH changes

• It tastes delicious

What effect does adding a base have on the tea after lemon juice has been added?

• It turns the tea red

• It makes the tea more acidic

• It neutralizes the acid and changes the color

• It has no effect

What color does the tea turn when hydrochloric acid is added?

• Bright red

• Dark blue

• Yellow

• Green

What is a potential risk of adding hydrochloric acid to the tea?

• It turns the tea green

• It could burn your tongue

• It makes the tea taste better

• It makes the tea more nutritious