quick melt is a kind of cheese that is easy to melt
Any heat source can melt cheese.
heavy whipping cream and cheese will melt into cheese sauce.
I would not recommend this substitution. It will give it a completely different taste and texture.
yes
No you need heat to melt cheese, tomatoes do not possess enough heat unless you burn them.
You can melt Bleu Cheese with milk or cream on top of the stove. Go slow! Or you can melt it on top of a burger using a broiler!
Yes
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No, about the same
The quickest way to melt cheese is in the microwave; however, you can also melt cheese in the oven, toaster oven, in a saucepan on a burner, or even in the crock pot, depending on how you are using your cheese.
in a microwave
It is better to not melt it. That will just make a sticky goopy mess. So you should melt it in cheee sauce.