2.6 Acids And Bases Flashcards
0
Q
What is a base?
A
A compound that will neutralise an acid.
1
Q
What is an acid?
A
A substance with a pH of less than 7 and a source of H+ (hydrogen ions)
2
Q
What is an alkali?
A
A BASE that dissolves in water to give hydroxide ions (OH-)
4
Q
Complete the equation:
Acid + Base —-> ? + ?
A
Acid + Base —-> Salt + Water
5
Q
What is the reaction between acids and bases called?
A
Neutralisation
6
Q
Give the physical state for these state symbols: (s) (l) (g) (aq)
A
(s) = Solid
(l) = Liquid
(g) = Gas
(aq) = Dissolved in water (Aqueous)
7
Q
If something has a pH of 7, what colour will universal indicator paper go?
A
Green
9
Q
What do acids produce?
A
It produces hydrogen ions (H+) when dissolved in water
