Question: what is the difference between soda bicarbonate and baking soda?
Answer: Baking soda and bicarbonate of soda are different names for the same thing; in Australia, we mostly refer to it as bicarbonate of soda, but overseas, especially in America, it is referred to as baking soda. They aren't interchangeable, but bicarbonate of soda and baking powder are both leavening agents.