Making an indicator Flashcards
1
Q
What is an indicator?
A
An indicator is a special dye that changes colour in acids and alkalis.
2
Q
Many ______ include dyes which act as ______ e.g. _____ ______ and _______
A
Foods, indicators, red cabbage beetroot, red onion
3
Q
What can be used to make indicators?
A
Fruits and vegetables.
4
Q
What did we use in class to make an indicator?
A
Red cabbage
5
Q
What was the colour change when we put the indicator that we made from red cabbage into water?
A
It went from purple to blue
6
Q
What was the colour change when we put the indicator that we made from red cabbage into an acid?
A
Purple to pink
7
Q
What was the colour change when we put the indicator that we made from red cabbage into acid?
A
Purple to pink.
