Yes. As long as the chains are compatible with the type and size of tires on your van.
You can install 4 snow tires but it is really not necessary. Only install the snow tires on the drive wheels.
Cooper Tires makes Arctic Claw - I had 4 on my last mini van and vouch for them as the best snow tires I've ever had.
Using two studded snow tires is not recommended. For optimal performance and safety, it is best to install four studded snow tires to maintain balanced traction and control in snowy or icy conditions.
Directional tires are ideal for hard surfaces in good weather conditions. The best tires for driving in snow are snow tires.
Practically no. By the time the studs are worn out, tires are too worn for you to install new studs and even if you could, the cost of replacing them would be more than the tires are worth.
In some places where it snows alot you have to buy snow tires. So if you have snow tires then yes you can drive if the snow is 8". But if you don't want to buy snow tires, you can get a chain and wrap it around all of your tires.
Yes, studs can be removed from snow tires.
yes, AT "all terrain" tires are MS "mud and snow" tires.
If you drive in snow you have to, regardless of the vehicle make. -The snow tires are your link to the road.
Snow tires cost slightly more than all weather tires. The actual cost of the snow tires would depend on the brand, style and size.
From what I know, they probably do not because snow tires have special pins build into it for gripping the snow/ice. It depends on the type of tire you are actually going to buy but generally mud tires are more expensive than snow tires.
if the studs are not installed they are just like regular snow tires