Salt does not spoil.
Yes, the seasoned salt is a mixture.
She seasoned the steak with pepper and salt.
This salt contain cornstarch which is a carbohydrate.
yes
Salt does not spoil, does not require refrigeration.
it is better seasoned when you cook it.
Any practical difference exist.
Spring (any season) is my favorite season.
Sugar and Salt
seasoned salt mixture used in Latin America and Mexico
Generally yes.