50-50 is ideal in most of the world.
To prevent the engine from overheating.
You mix it with water.
put the car in reverse, start the car, and pour gasoline in the anti-freeze container
Probably not, but is is better to follow any mixing instructions on the anti-freeze container.
Yes but you should add Anti freeze to it unless you are in a climate that does not experience freezing conditions
Only pure water is allowed to be put into the car's radiator. Anit-freeze of any concentration is prohibited (not allowed).
You can put anti-freeze into the search tank of your Chevy Cavalier. Newer Chevy Cavaliers have a sealed radiator and the search tank is the only place you can put anti-freeze into the system.
Most likely it is coming from the freeze plug. This is usually no easy task to fix depending on the make and model of car. On certain vehicles you need to remove the engine to get to the freeze plug. I am not familiar with your particular car.
Technically you can! It is not advisable as Anti-Freeze will cause damage to the bodywork of your car and when you spray the washers it will of course end up on the bodywork somewhere.
water, anti freeze or coolant.
There is no problem it is when you put anti-freeze in the washer bottle that you have a problem.
You put anti freeze in your car for 2 reasons. 1 Reason is to keep your engine operating temperature at the specifide level and keep the engine from over heating. The other Reason is to protect your engine block from craking in extreme cold. When liquid freezes it expands and could potentialy crack a weak engine block. Anti freeze does not become solid till around -50F. Also, anti freezes contain additives which reduce corrosionwithin the engine and the rest of the cooling system.