No
No it will not work
Charge it with a 12 volt battery charger.
Yes, you can.
No.
Yes. The voltage of charger has to be slightly higher than the battery for it to be able to charge the battery.
No. You can only charge one 12 volt battery at a time or two 6 volt batteries wired in series at a time if you want to use that 12 volt charger.
No, a 12 volt charger will overcharge a 8 volt battery and destroy it.
no it can't
No, the battery is DC not AC.
If you are asking the question, can you charge a 6 volt battery with a 12 volt charger, the answer is no.
No, the battery charger has to match the voltage of the battery it is to charge.
No