When heavy cream expires (refrigerated or not, although it will generally keep longer in the refrigerator due to the cooler temperatures), it will go sour. This can be anywhere from discoloring, usually to an off-yellow color, to a rotting or sour smell, and - eventually - congealing and hardening into clumps.
If homemade, caramel sauce will need to be refrigerated, due to the heavy cream and butter in the recipe. However, if it store-bought and processed, it should be ok to leave out unrefrigerated.
No, table cream is not the same as heavy cream. Table cream has a lower fat content than heavy cream.
Yes, you can make ice cream using heavy cream.
No, cream and heavy whipping cream are not the same. Heavy whipping cream has a higher fat content than regular cream, making it thicker and better for whipping.
yes, you can buy heavy cream at the supermarket.
no. typically, whipping cream has more sugar in it.
Heavy cream
You can not make heavy cream from dry milk.
yes
Light cream is sweet cream with less butterfat than heavy cream. I think in the UK light cream is called single cream and heavy cream is double or whipping cream.
No, whipped cream can only be made from heavy cream or heavy cream that is marketed as "whipping cream." yay
If you want to make cream out of milk, it will be lighter and more delicate than if you made it out of heavy whipping cream. Heavy whipping cream is better suited for cakes and heavy desserts, while milk can be used for a lighter icing.