Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is ____________ °C? August 22, 2021February 14, 2019 by admin Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is ____________ °C? A. -5 to 0 B. 5 to 10C. 30 to 50 D. 75 to 80