Yes, a 12 volt battery will be damaged if charged with a 24 volt charger.
can 6 ,12 volt battery be wire to make in to one 24 volt battery for solar use in home
You will need a charger with 24 volt capability.
no it can't
No.
Yes
You will destroy the battery and be buying a new one.
that is not possible and cant go from 6 volt to 24
use two 12 volt batteries in series.
To get 24 volts from two 12 volt batteries, hook the positive post from one battery to the negative post of the other.
Most 24 volt systems use 2 or 4 12 volt batteries. Be careful not to let the cables get mixed up. They need to be put back in the same spot. Disconnect the battery, Charge each battery individually, Reconnect the cables exactly like they were before. You are ready for work.
24 volts (although you'll ruin the 12v battery this way). If you're trying to get 36 volts, you want to wire them in series.