Orange
One of the first major decaffeinated brands was Sanka. To make their product stand out their cans were colored bright orange. Due to the success of the marketing, orange coffee pots became associated with decaf.
Caffeine from tea and coffee has been known to cause kidney problems even kidney stones.
Their Decaf coffee makers all had shorts and blew up in the 1970s, so they have banned Decaf from thier restaurants in fear of further employee fatalities.
No
Has Kraft stopped Making Maxwell House Decaf Coffee? Large cans?
Coffee is acidic and decaf coffee is even more so. However, you can soften the blow a bit by adding a half teaspoon of baking soda....and it tastes ok!
nothing
Yes, you can have an intolerance or an allergy.
no
You can make decaffeinated coffee taste more like caffeinated coffee by putting sugar in it. There are also some brands of decaf that are flavored to taste closer to regular coffee.
Sanka