The calorific value of natural gas is about __________ kcal/Nm3. August 17, 2022 by admin Question: The calorific value of natural gas is about __________ kcal/Nm3. [A]. 10, 000 [B]. 2500 [C]. 25, 000 [D]. 35, 000 Answer: Option A Explanation: No answer description available for this question.