Arborio rice does not have an expiration date if stored properly. It can be stored in the fridge, freezer, or in the pantry.
arborio italy
It has more starch
Arborio
superfino arborio rice
The main ingredient in rice is rice.
No, but they're close. Both are short grain rices, and arborio is a cultivar of Japanese sushi rice, but they aren't phylogenically identical. Sushi rice is also prepared differently, although you probably could use arborio for this too.
You will not get the same consistency, but you should be able to do it. You can cook rice in the same manner regardless of the type. It shouldn't take as long to cook.
No, it wont come out right.
Risotto
At times, yes.
Abrorio rice traditionally but I've used pearl rice and calrose
orzo is a pasta, arborio rice is, well, a rice. and risotto is so starchy because of the cooking method, the repetitive stirring creates the oatmeal-like final dish. if you just boiled risotto it would be like regular rice.