No. One is a starch, the other a sugar (fructose).
No. It won't give you the same flavor or results.
I would say no they may sound the same but pancake maple syrup has a thicker consistancy and just pure maple syrup doesn't because its very thin almost like water.
Corn syrup (such as Karo) comes in dark and clear. When a recipe calls for light, it means to use the clear on instead of the dark colored one.
Yes, cane syrup usually cost more than corn syrup.
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