The nutrient breakdowns of whey protein and nutritional yeast are quite different. Protein powder, for example, gets more than 80 percent of its calories from protein, with a very small percentage coming from carbohydrates and about 15 percent coming from fat.
Zn + 2HCl H 2 + ZnCl 2 B. What gas was produced by the reaction of zinc and hydrochloric acid? How did this gas behave in the presence of fire? The gas produced by the reaction of zinc and hydrochloric acid was hydrogen. In the presence of fire Hydrogen explodes with a popping sound.
Quick Answer. The English chemist and physicist Henry Cavendish discovered hydrogen by chemically reacting zinc with hydrochloric acid. Although hydrogen was previously studied and observed by other scientists, Cavendish received credit for identifying hydrogen as a unique chemical element.