7Fb-indicators Flashcards
1
Q
What are indicators?
A
Indicators are plants and/or other substances that mixed with different types of substances can change to a colour in the PH scale.
2
Q
What do alkalis turn a indicator’s colour to?
A
To purple or blue, there are different shades.
3
Q
What do acids turn an indicator’s colour to?
A
To yellow, orange and red.
4
Q
What is neutralisation?
A
This is when you add an alkali to an acid ( or the other way around), so it isn’t harmful, this neutralises the alkaline an acid effects and turns it into water.
