You aren't supposed to dry fire .22 rifles because they are rimfire. If you want to do this, you need to find some .22 dummy rounds.
No.
"Swiss Miss army rifle
how far does a 50 caliber sniper rifle shoot accuratly
Either a shotgun or a .22 caliber rifle.
One could watch videos on rifle shooting on YouTube. Other instructional videos on how to shoot a rifle include DailyMotion and Vimeo. Many video viewing services demonstrate how to shoot a rifle.
Depends on the rifle. Accurately? About 50 yards max.
Yes.
It can shoot about 3 miles. It can shoot accurately to about 1100 meters in the hands of a highly skilled marksman, depending on which rifle is firing the cartridge.
The same as you do any time you shoot.
Generally speaking, no. You can only fire the caliber for which the gun is chambered. There are some exceptions, but not many.
Type of action has nothing to do with how far a weapon will shoot. Caliber and load is what matters.
IF a rifle is chambered in caliber .35y magnum, yes. Among others, Marlin made a lever action .357 magnum rifle.