Answer:
Acids are sour in taste while bases have bitter taste for example Soap
Acids turn Blue litmus to Red While Bases turn Red litmus to Blue
Acids are Corrosive in concentrated form while bases Are non corrosive except concentrated form of NaOH and KOH
Option B: 2, 8, 18, 32.
2 in the K shell, 8 in L shell, 18 in M shell and 32 in N shell.
<span>In the reverse reaction HF is a reactant.</span>