It is heterogeneous although manufacturers may attempt to make it homogeneous.
They are crisps ("chips", in the US) that are cheddar cheese flavour. Cheddar cheese is a mild tasting hard cheese, from the Cheddar region of the UK.
It is homogeneous because you can't tell one ingredient apart from the other (in most occasions).
This mixture is not homogeneous.
It depends on who packages the cheddar cheese. Velveeta is supposedly a cheddar cheese but some of its molecules are quite similar to plastic. I like natural cheddar cheese.
Cheddar cheese is the most popular cheese people use in macaroni and cheese. It is also popular for people to use a mixture of gruyere, cheddar and parmesan.
Usually, a mixture of mozzarella and mild cheddar.
Cheddar cheese does
No, the Vikings did not have Cheddar cheese.
No, cheddar will not be suitable .
No, pepperjack is a type of cheddar.
I think you mean homogeneous. A homogeneous mixture is a mixture is a mixture in which you cannot see the different parts of the mixture. For example when you mix kool-aid, if you stir it well enough you can no longer see the kool-aid powder. The opposite of a homogeneous mixture is a heterogeneous mixture, this is a mixture in which you can see the different part. For example, a salad. You can see the lettuce and cheese or whatever you put in the salad.