Acids are sour to taste they turn litmus
Red to blue
Blue to red
Not changed
Blue to yellow
The higher volatility is for
CH3COOH
HCl
H2SO4
HNO3
The theory of ionisation of acids and bases were proposed by
Arrhenius
Bronsted
Einstein
Lavoisier
The pH was introduced by
Sorensen
Combination of H+ and OH- ions is called
Precipitation
Solution
Ionization
Neutralisation
If an acid is completely ionized, it is called a
Weak electrolyte
Strong electrolyte
Non-electrolyte
The pH of pure water is
7
Above 7
Below 7
Zero
At a given temperature, the concentration of H+ ions is
3.38×10-8
1×10-7
2.3×10-7
1×10-14
Bases are substances, they produce
H+
OH-
Cl-
H2O
On heating bases decomposes into water and ?
Metal
Metallic oxide
Carbonates
CO2