I suspect that this is one of those Urban Legends that has developed "wings" over the years, although it has no basis in fact.
You don't need acid to recharge the car battery. You may need to top it with distilled water and put the battery on the charger. You may be able to get the acid from a car battery shop, but some of the new car batteries now come as a sealed unit.
Yes why not, you can recharge your truck PC by driving around. To recharge the PC first the truck battery should be charged. Driving recharges truck battery because every truck has a power generator inside it but you cannot recharge your truck battery if it is not working properly the acid level of the battery should be maintained properly. Better you check your battery before recharging battery.
I don't think there is such a thing as a "diesel battery". Perhaps you mean the batteries used in diesel cars; the batteries usually used in cars are lead-acid batteries, the acid being sulphuric acid.
Aspirin is the trade name for acetylsalicylic acid.
The common acid in this list is aspirin, which is acetylsalicylic acid.
Aspirin is acetylsalicylic acid and an acetate ester of salicylic acid.
aspirin is an acid... aspirins chemical name is acetylsalicylic acid
The active medical ingredient in Aspirin is acetylsalicylic acid, or A.S.A.
it is an acid
Aspirin is also known as acetylsalicylic acid. As the name implies, it's a weak acid.
recharge it or get a new battery
When the battery looses it charge. It is designed to be run completely down before recharging.