no
NO.
No
No, the battery will be overcharged and battery damage will occur if it is done.
No, a lead acid battery is a wet cell battery and a 9 volt alkaline battery is a dry cell battery.
It heats up very hot and may explode.
Sort of, but any automatic cut-off won't work. You run a real risk of overcharging the battery and damage it.
No. The voltage of the charger's output is only 7.5 volts. This is not high enough to charge a 9 volt battery device.
1.3cm
a 9 volt battery
no it can't
buy a battery charger