acids, alkalis and indicators Flashcards
1
Q
hydrochloric acid
A
HCL
2
Q
nitric acid
A
HNO₃
3
Q
Sulfuric acid
A
H₂SO₄
4
Q
definition of an acid
A
pH below 7 and produces H+ ions when dissolved
5
Q
definition of a base
A
pH above 7 that doesn’t dissolve and reacts with and neutralises acids producing salt and water only
6
Q
definition of an alkali
A
a base that dissolves and produces OH- ions
7
Q
neutralisation formular
A
(H+) + (OH-) —-> (H₂O)
8
Q
if it end with “droxide” its a…..
A
an alkali
9
Q
if it ends with “oxide” its a…….
A
base
10
Q
methyl orange with an acid
A
red
11
Q
methyl orange with a base
A
orange
12
Q
universal indicator with acid, neutral, base
A
red, green, blue
13
Q
phenolphaline with acid
A
clear
14
Q
phenolphaline with base
A
pink
15
Q
dissosiation definition
A
when a compound separates into discreate ions
