Acids and Alkalis Flashcards
1
Q
neutral
A
(1) A solution is neutral if its pH is 7
(2) A particle is neutral if it is neither positively or negatively charged
2
Q
acidity
A
A chemical property that describes how acidic a substance is
3
Q
alkalinity
A
A chemical property that describes how alkaline a substance is
4
Q
indicator
A
A solution of a dye that turns a different colour in acidic and alkaline solutions
5
Q
universal indicator
A
A mixture of dyes that changes colour to show how acidic or alkaline a solution is
6
Q
neutralisation
A
A type of chemical reaction in which an alkali reacts with an acid and the pH gets closer to 7
